28751493

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{857}}^1$

素因数の和:1124

約数の個数: 16

約数和(自身を含む): 39289536

約数和(自身を除く): 10538043

約数列:

[1, 3, 53, 159, 211, 633, 857, 2571, 11183, 33549, 45421, 136263, 180827, 542481, 9583831, 28751493]

約数ペア:

[(1, 28751493), (3, 9583831), (53, 542481), (159, 180827), (211, 136263), (633, 45421), (857, 33549), (2571, 11183)]