56919369

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{857}}^1$

素因数の和:1017

約数の個数: 24

約数和(自身を含む): 82903392

約数和(自身を除く): 25984023

約数列:

[1, 3, 13, 39, 131, 169, 393, 507, 857, 1703, 2571, 5109, 11141, 22139, 33423, 66417, 112267, 144833, 336801, 434499, 1459471, 4378413, 18973123, 56919369]

約数ペア:

[(1, 56919369), (3, 18973123), (13, 4378413), (39, 1459471), (131, 434499), (169, 336801), (393, 144833), (507, 112267), (857, 66417), (1703, 33423), (2571, 22139), (5109, 11141)]