1320221643

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1471819}}^1$

素因数の和:1471858

約数の個数: 16

約数和(自身を含む): 1978126080

約数和(自身を除く): 657904437

約数列:

[1, 3, 13, 23, 39, 69, 299, 897, 1471819, 4415457, 19133647, 33851837, 57400941, 101555511, 440073881, 1320221643]

約数ペア:

[(1, 1320221643), (3, 440073881), (13, 101555511), (23, 57400941), (39, 33851837), (69, 19133647), (299, 4415457), (897, 1471819)]