31021731

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2851}}^1$

素因数の和:2904

約数の個数: 32

約数和(自身を含む): 51107840

約数和(自身を除く): 20086109

約数列:

[1, 3, 9, 13, 27, 31, 39, 93, 117, 279, 351, 403, 837, 1209, 2851, 3627, 8553, 10881, 25659, 37063, 76977, 88381, 111189, 265143, 333567, 795429, 1000701, 1148953, 2386287, 3446859, 10340577, 31021731]

約数ペア:

[(1, 31021731), (3, 10340577), (9, 3446859), (13, 2386287), (27, 1148953), (31, 1000701), (39, 795429), (93, 333567), (117, 265143), (279, 111189), (351, 88381), (403, 76977), (837, 37063), (1209, 25659), (2851, 10881), (3627, 8553)]