Factors of 3969

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What are the Factors of 3,969?

Answer

Factors of 3,969:
1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969

15 factors · 3969 = 34 × 72 · composite

Underlined — prime: 3, 7 · 1 — neither prime nor composite · others — composite

Factor pairs of 3,969

  • 1 × 3969
  • 3 × 1323
  • 7 × 567
  • 9 × 441
  • 21 × 189
  • 27 × 147
  • 49 × 81
  • 63 × 63

63 × 63 is a pair of one factor — that is why 3969 has an odd number of factors, 15.

3969 = 34 × 72 → (4 + 1) × (2 + 1) = 15 factors: add 1 to each exponent and multiply.

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Factors Table

NumberFactors
3,8551, 3, 5, 15, 257, 771, 1285, 3855
3,8701, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870
3,8751, 5, 25, 31, 125, 155, 775, 3875
3,8801, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880
3,8901, 2, 5, 10, 389, 778, 1945, 3890
3,9001, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900
3,9051, 5, 11, 55, 71, 355, 781, 3905
3,9151, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915
3,9201, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920
3,9301, 2, 3, 5, 6, 10, 15, 30, 131, 262, 393, 655, 786, 1310, 1965, 3930
3,9351, 5, 787, 3935
3,9401, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940
3,9451, 3, 5, 15, 263, 789, 1315, 3945
3,9501, 2, 5, 10, 25, 50, 79, 158, 395, 790, 1975, 3950
3,9601, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960
3,9691, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969
3,9701, 2, 5, 10, 397, 794, 1985, 3970
3,9851, 5, 797, 3985
3,9901, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990
4,0001, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000
4,0201, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 2010, 4020
4,0251, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805, 4025
4,0351, 3, 5, 15, 269, 807, 1345, 4035
4,0401, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040
4,0451, 5, 809, 4045
4,0501, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 135, 150, 162, 225, 270, 405, 450, 675, 810, 1350, 2025, 4050
4,0601, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060
4,0701, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 2035, 4070
4,0751, 5, 25, 163, 815, 4075
4,0801, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080

FAQ

What are the Factors of 3,969?

Factors of 3,969: 1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969

How many factors does 3,969 have?

Number 3,969 has 15 factors

How many Factor Pairs does 3,969 have?

Number 3,969 has 8 factor pairs

Is 3,969 a prime or composite number?

Composite: 3969 = 3⁴ × 7², so it has 15 factors — a prime has exactly two.

How many factors does 3,969 have excluding 1 and 3,969?

13: 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567 and 1323.

Why does 3,969 have an odd number of factors?

3,969 is a perfect square: in the pair 63 × 63 the factor 63 pairs with itself, so the 15 factors are 7 pairs plus 63.

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