31288491

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{6857}}^1$

素因数の和:6892

約数の個数: 24

約数和(自身を含む): 50200560

約数和(自身を除く): 18912069

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 1521, 4563, 6857, 20571, 61713, 89141, 185139, 267423, 802269, 1158833, 2406807, 3476499, 10429497, 31288491]

約数ペア:

[(1, 31288491), (3, 10429497), (9, 3476499), (13, 2406807), (27, 1158833), (39, 802269), (117, 267423), (169, 185139), (351, 89141), (507, 61713), (1521, 20571), (4563, 6857)]