858902535

素因数分解:

$3^4\times 5^1\times {\mathrm{2120747}}^1$

素因数の和:2120764

約数の個数: 20

約数和(自身を含む): 1539663048

約数和(自身を除く): 680760513

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2120747, 6362241, 10603735, 19086723, 31811205, 57260169, 95433615, 171780507, 286300845, 858902535]

約数ペア:

[(1, 858902535), (3, 286300845), (5, 171780507), (9, 95433615), (15, 57260169), (27, 31811205), (45, 19086723), (81, 10603735), (135, 6362241), (405, 2120747)]