31399893

素因数分解:

$3^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{701}}^1$

素因数の和:799

約数の個数: 40

約数和(自身を含む): 54362880

約数和(自身を除く): 22962987

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 81, 189, 237, 553, 567, 701, 711, 1659, 2103, 2133, 4907, 4977, 6309, 6399, 14721, 14931, 18927, 44163, 44793, 55379, 56781, 132489, 166137, 387653, 397467, 498411, 1162959, 1495233, 3488877, 4485699, 10466631, 31399893]

約数ペア:

[(1, 31399893), (3, 10466631), (7, 4485699), (9, 3488877), (21, 1495233), (27, 1162959), (63, 498411), (79, 397467), (81, 387653), (189, 166137), (237, 132489), (553, 56781), (567, 55379), (701, 44793), (711, 44163), (1659, 18927), (2103, 14931), (2133, 14721), (4907, 6399), (4977, 6309)]