75641715

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^2$

素因数の和:321

約数の個数: 48

約数和(自身を含む): 140119200

約数和(自身を除く): 64477485

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 139, 145, 261, 417, 435, 695, 783, 1251, 1305, 2085, 3753, 3915, 4031, 6255, 12093, 18765, 19321, 20155, 36279, 57963, 60465, 96605, 108837, 173889, 181395, 289815, 521667, 544185, 560309, 869445, 1680927, 2608335, 2801545, 5042781, 8404635, 15128343, 25213905, 75641715]

約数ペア:

[(1, 75641715), (3, 25213905), (5, 15128343), (9, 8404635), (15, 5042781), (27, 2801545), (29, 2608335), (45, 1680927), (87, 869445), (135, 560309), (139, 544185), (145, 521667), (261, 289815), (417, 181395), (435, 173889), (695, 108837), (783, 96605), (1251, 60465), (1305, 57963), (2085, 36279), (3753, 20155), (3915, 19321), (4031, 18765), (6255, 12093)]