31417875

素因数分解:

$3^4\times 5^3\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:163

約数の個数: 80

約数和(自身を含む): 61158240

約数和(自身を除く): 29740365

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 81, 87, 107, 125, 135, 145, 225, 261, 321, 375, 405, 435, 535, 675, 725, 783, 963, 1125, 1305, 1605, 2025, 2175, 2349, 2675, 2889, 3103, 3375, 3625, 3915, 4815, 6525, 8025, 8667, 9309, 10125, 10875, 11745, 13375, 14445, 15515, 19575, 24075, 27927, 32625, 40125, 43335, 46545, 58725, 72225, 77575, 83781, 97875, 120375, 139635, 216675, 232725, 251343, 293625, 361125, 387875, 418905, 698175, 1083375, 1163625, 1256715, 2094525, 3490875, 6283575, 10472625, 31417875]

約数ペア:

[(1, 31417875), (3, 10472625), (5, 6283575), (9, 3490875), (15, 2094525), (25, 1256715), (27, 1163625), (29, 1083375), (45, 698175), (75, 418905), (81, 387875), (87, 361125), (107, 293625), (125, 251343), (135, 232725), (145, 216675), (225, 139635), (261, 120375), (321, 97875), (375, 83781), (405, 77575), (435, 72225), (535, 58725), (675, 46545), (725, 43335), (783, 40125), (963, 32625), (1125, 27927), (1305, 24075), (1605, 19575), (2025, 15515), (2175, 14445), (2349, 13375), (2675, 11745), (2889, 10875), (3103, 10125), (3375, 9309), (3625, 8667), (3915, 8025), (4815, 6525)]