31131009

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38011}}^1$

素因数の和:38037

約数の個数: 24

約数和(自身を含む): 55345472

約数和(自身を除く): 24214463

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 38011, 114033, 266077, 342099, 494143, 798231, 1482429, 2394693, 3459001, 4447287, 10377003, 31131009]

約数ペア:

[(1, 31131009), (3, 10377003), (7, 4447287), (9, 3459001), (13, 2394693), (21, 1482429), (39, 798231), (63, 494143), (91, 342099), (117, 266077), (273, 114033), (819, 38011)]