31528953

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 48742400

約数和(自身を除く): 17213447

約数列:

[1, 3, 9, 27, 31, 93, 139, 271, 279, 417, 813, 837, 1251, 2439, 3753, 4309, 7317, 8401, 12927, 25203, 37669, 38781, 75609, 113007, 116343, 226827, 339021, 1017063, 1167739, 3503217, 10509651, 31528953]

約数ペア:

[(1, 31528953), (3, 10509651), (9, 3503217), (27, 1167739), (31, 1017063), (93, 339021), (139, 226827), (271, 116343), (279, 113007), (417, 75609), (813, 38781), (837, 37669), (1251, 25203), (2439, 12927), (3753, 8401), (4309, 7317)]