172915965

素因数分解:

$3^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3917}}^1$

素因数の和:4043

約数の個数: 40

約数和(自身を含む): 312891480

約数和(自身を除く): 139975515

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 109, 135, 327, 405, 545, 981, 1635, 2943, 3917, 4905, 8829, 11751, 14715, 19585, 35253, 44145, 58755, 105759, 176265, 317277, 426953, 528795, 1280859, 1586385, 2134765, 3842577, 6404295, 11527731, 19212885, 34583193, 57638655, 172915965]

約数ペア:

[(1, 172915965), (3, 57638655), (5, 34583193), (9, 19212885), (15, 11527731), (27, 6404295), (45, 3842577), (81, 2134765), (109, 1586385), (135, 1280859), (327, 528795), (405, 426953), (545, 317277), (981, 176265), (1635, 105759), (2943, 58755), (3917, 44145), (4905, 35253), (8829, 19585), (11751, 14715)]