405222013

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{2143}}^1$

素因数の和:2401

約数の個数: 24

約数和(自身を含む): 501541632

約数和(自身を除く): 96319619

約数列:

[1, 7, 17, 49, 119, 227, 833, 1589, 2143, 3859, 11123, 15001, 27013, 36431, 105007, 189091, 255017, 486461, 1785119, 3405227, 8269837, 23836589, 57888859, 405222013]

約数ペア:

[(1, 405222013), (7, 57888859), (17, 23836589), (49, 8269837), (119, 3405227), (227, 1785119), (833, 486461), (1589, 255017), (2143, 189091), (3859, 105007), (11123, 36431), (15001, 27013)]