39780221

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{180001}}^1$

素因数の和:180031

約数の個数: 8

約数和(自身を含む): 45360504

約数和(自身を除く): 5580283

約数列:

[1, 13, 17, 221, 180001, 2340013, 3060017, 39780221]

約数ペア:

[(1, 39780221), (13, 3060017), (17, 2340013), (221, 180001)]