15899521

素因数分解:

${\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{1301}}^1$

素因数の和:1424

約数の個数: 12

約数和(自身を含む): 17662932

約数和(自身を除く): 1763411

約数列:

[1, 11, 101, 121, 1111, 1301, 12221, 14311, 131401, 157421, 1445411, 15899521]

約数ペア:

[(1, 15899521), (11, 1445411), (101, 157421), (121, 131401), (1111, 14311), (1301, 12221)]