1221081121

素因数分解:

${\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{743}}^1\times {\mathrm{757}}^1$

素因数の和:1680

約数の個数: 16

約数和(自身を含む): 1326415104

約数和(自身を除く): 105333983

約数列:

[1, 13, 167, 743, 757, 2171, 9659, 9841, 124081, 126419, 562451, 1613053, 1643447, 7311863, 93929317, 1221081121]

約数ペア:

[(1, 1221081121), (13, 93929317), (167, 7311863), (743, 1643447), (757, 1613053), (2171, 562451), (9659, 126419), (9841, 124081)]