131850621

素因数分解:

$3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{4211}}^1$

素因数の和:4302

約数の個数: 36

約数和(自身を含む): 224718624

約数和(自身を除く): 92868003

約数列:

[1, 3, 7, 9, 21, 49, 63, 71, 147, 213, 441, 497, 639, 1491, 3479, 4211, 4473, 10437, 12633, 29477, 31311, 37899, 88431, 206339, 265293, 298981, 619017, 896943, 1857051, 2092867, 2690829, 6278601, 14650069, 18835803, 43950207, 131850621]

約数ペア:

[(1, 131850621), (3, 43950207), (7, 18835803), (9, 14650069), (21, 6278601), (49, 2690829), (63, 2092867), (71, 1857051), (147, 896943), (213, 619017), (441, 298981), (497, 265293), (639, 206339), (1491, 88431), (3479, 37899), (4211, 31311), (4473, 29477), (10437, 12633)]