13785507

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{4243}}^1$

素因数の和:4287

約数の個数: 18

約数和(自身を含む): 21020532

約数和(自身を除く): 7235025

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 4243, 12729, 38187, 80617, 241851, 725553, 1531723, 4595169, 13785507]

約数ペア:

[(1, 13785507), (3, 4595169), (9, 1531723), (19, 725553), (57, 241851), (171, 80617), (361, 38187), (1083, 12729), (3249, 4243)]