870831

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{827}}^1$

素因数の和:852

約数の個数: 20

約数和(自身を含む): 1402632

約数和(自身を除く): 531801

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 827, 1053, 2481, 7443, 10751, 22329, 32253, 66987, 96759, 290277, 870831]

約数ペア:

[(1, 870831), (3, 290277), (9, 96759), (13, 66987), (27, 32253), (39, 22329), (81, 10751), (117, 7443), (351, 2481), (827, 1053)]