18239337

素因数分解:

$3^5\times {\mathrm{47}}^1\times {\mathrm{1597}}^1$

素因数の和:1659

約数の個数: 24

約数和(自身を含む): 27920256

約数和(自身を除く): 9680919

約数列:

[1, 3, 9, 27, 47, 81, 141, 243, 423, 1269, 1597, 3807, 4791, 11421, 14373, 43119, 75059, 129357, 225177, 388071, 675531, 2026593, 6079779, 18239337]

約数ペア:

[(1, 18239337), (3, 6079779), (9, 2026593), (27, 675531), (47, 388071), (81, 225177), (141, 129357), (243, 75059), (423, 43119), (1269, 14373), (1597, 11421), (3807, 4791)]