201130721

素因数分解:

${\mathrm{11}}^1\times {\mathrm{1511}}^1\times {\mathrm{12101}}^1$

素因数の和:13623

約数の個数: 8

約数和(自身を含む): 219578688

約数和(自身を除く): 18447967

約数列:

[1, 11, 1511, 12101, 16621, 133111, 18284611, 201130721]

約数ペア:

[(1, 201130721), (11, 18284611), (1511, 133111), (12101, 16621)]