64399725

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:252

約数の個数: 96

約数和(自身を含む): 131241600

約数和(自身を除く): 66841875

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 41, 45, 65, 75, 117, 123, 135, 179, 195, 205, 225, 325, 351, 369, 533, 537, 585, 615, 675, 895, 975, 1025, 1107, 1599, 1611, 1755, 1845, 2327, 2665, 2685, 2925, 3075, 4475, 4797, 4833, 5535, 6981, 7339, 7995, 8055, 8775, 9225, 11635, 13325, 13425, 14391, 20943, 22017, 23985, 24165, 27675, 34905, 36695, 39975, 40275, 58175, 62829, 66051, 71955, 95407, 104715, 110085, 119925, 120825, 174525, 183475, 198153, 286221, 314145, 330255, 359775, 477035, 523575, 550425, 858663, 990765, 1431105, 1570725, 1651275, 2385175, 2575989, 4293315, 4953825, 7155525, 12879945, 21466575, 64399725]

約数ペア:

[(1, 64399725), (3, 21466575), (5, 12879945), (9, 7155525), (13, 4953825), (15, 4293315), (25, 2575989), (27, 2385175), (39, 1651275), (41, 1570725), (45, 1431105), (65, 990765), (75, 858663), (117, 550425), (123, 523575), (135, 477035), (179, 359775), (195, 330255), (205, 314145), (225, 286221), (325, 198153), (351, 183475), (369, 174525), (533, 120825), (537, 119925), (585, 110085), (615, 104715), (675, 95407), (895, 71955), (975, 66051), (1025, 62829), (1107, 58175), (1599, 40275), (1611, 39975), (1755, 36695), (1845, 34905), (2327, 27675), (2665, 24165), (2685, 23985), (2925, 22017), (3075, 20943), (4475, 14391), (4797, 13425), (4833, 13325), (5535, 11635), (6981, 9225), (7339, 8775), (7995, 8055)]