31690725

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{359}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 57853440

約数和(自身を除く): 26162715

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 107, 165, 275, 321, 359, 535, 825, 1077, 1177, 1605, 1795, 2675, 3531, 3949, 5385, 5885, 8025, 8975, 11847, 17655, 19745, 26925, 29425, 38413, 59235, 88275, 98725, 115239, 192065, 296175, 422543, 576195, 960325, 1267629, 2112715, 2880975, 6338145, 10563575, 31690725]

約数ペア:

[(1, 31690725), (3, 10563575), (5, 6338145), (11, 2880975), (15, 2112715), (25, 1267629), (33, 960325), (55, 576195), (75, 422543), (107, 296175), (165, 192065), (275, 115239), (321, 98725), (359, 88275), (535, 59235), (825, 38413), (1077, 29425), (1177, 26925), (1605, 19745), (1795, 17655), (2675, 11847), (3531, 8975), (3949, 8025), (5385, 5885)]