1214757405

素因数分解:

$3^4\times 5^1\times {\mathrm{2999401}}^1$

素因数の和:2999418

約数の個数: 20

約数和(自身を含む): 2177565852

約数和(自身を除く): 962808447

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2999401, 8998203, 14997005, 26994609, 44991015, 80983827, 134973045, 242951481, 404919135, 1214757405]

約数ペア:

[(1, 1214757405), (3, 404919135), (5, 242951481), (9, 134973045), (15, 80983827), (27, 44991015), (45, 26994609), (81, 14997005), (135, 8998203), (405, 2999401)]