81518619

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{7283}}^1$

素因数の和:7347

約数の個数: 32

約数和(自身を含む): 137055744

約数和(自身を除く): 55537125

約数列:

[1, 3, 7, 13, 21, 39, 41, 91, 123, 273, 287, 533, 861, 1599, 3731, 7283, 11193, 21849, 50981, 94679, 152943, 284037, 298603, 662753, 895809, 1988259, 2090221, 3881839, 6270663, 11645517, 27172873, 81518619]

約数ペア:

[(1, 81518619), (3, 27172873), (7, 11645517), (13, 6270663), (21, 3881839), (39, 2090221), (41, 1988259), (91, 895809), (123, 662753), (273, 298603), (287, 284037), (533, 152943), (861, 94679), (1599, 50981), (3731, 21849), (7283, 11193)]