11121121

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{389}}^1$

素因数の和:536

約数の個数: 16

約数和(自身を含む): 12804480

約数和(自身を除く): 1683359

約数列:

[1, 11, 23, 113, 253, 389, 1243, 2599, 4279, 8947, 28589, 43957, 98417, 483527, 1011011, 11121121]

約数ペア:

[(1, 11121121), (11, 1011011), (23, 483527), (113, 98417), (253, 43957), (389, 28589), (1243, 8947), (2599, 4279)]