8389251

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:313

約数の個数: 40

約数和(自身を含む): 13985664

約数和(自身を除く): 5596413

約数列:

[1, 3, 9, 13, 27, 31, 39, 81, 93, 117, 257, 279, 351, 403, 771, 837, 1053, 1209, 2313, 2511, 3341, 3627, 6939, 7967, 10023, 10881, 20817, 23901, 30069, 32643, 71703, 90207, 103571, 215109, 270621, 310713, 645327, 932139, 2796417, 8389251]

約数ペア:

[(1, 8389251), (3, 2796417), (9, 932139), (13, 645327), (27, 310713), (31, 270621), (39, 215109), (81, 103571), (93, 90207), (117, 71703), (257, 32643), (279, 30069), (351, 23901), (403, 20817), (771, 10881), (837, 10023), (1053, 7967), (1209, 6939), (2313, 3627), (2511, 3341)]