31485195

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:265

約数の個数: 72

約数和(自身を含む): 64555920

約数和(自身を除く): 33070725

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 109, 131, 147, 245, 315, 327, 393, 441, 545, 655, 735, 763, 917, 981, 1179, 1635, 1965, 2205, 2289, 2751, 3815, 4585, 4905, 5341, 5895, 6419, 6867, 8253, 11445, 13755, 14279, 16023, 19257, 26705, 32095, 34335, 41265, 42837, 48069, 57771, 71395, 80115, 96285, 99953, 128511, 214185, 240345, 288855, 299859, 499765, 642555, 699671, 899577, 1499295, 2099013, 3498355, 4497885, 6297039, 10495065, 31485195]

約数ペア:

[(1, 31485195), (3, 10495065), (5, 6297039), (7, 4497885), (9, 3498355), (15, 2099013), (21, 1499295), (35, 899577), (45, 699671), (49, 642555), (63, 499765), (105, 299859), (109, 288855), (131, 240345), (147, 214185), (245, 128511), (315, 99953), (327, 96285), (393, 80115), (441, 71395), (545, 57771), (655, 48069), (735, 42837), (763, 41265), (917, 34335), (981, 32095), (1179, 26705), (1635, 19257), (1965, 16023), (2205, 14279), (2289, 13755), (2751, 11445), (3815, 8253), (4585, 6867), (4905, 6419), (5341, 5895)]