51242643

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:328

約数の個数: 36

約数和(自身を含む): 79366560

約数和(自身を除く): 28123917

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 229, 423, 529, 687, 1081, 1587, 2061, 3243, 4761, 5267, 9729, 10763, 15801, 24863, 32289, 47403, 74589, 96867, 121141, 223767, 247549, 363423, 742647, 1090269, 2227941, 5693627, 17080881, 51242643]

約数ペア:

[(1, 51242643), (3, 17080881), (9, 5693627), (23, 2227941), (47, 1090269), (69, 742647), (141, 363423), (207, 247549), (229, 223767), (423, 121141), (529, 96867), (687, 74589), (1081, 47403), (1587, 32289), (2061, 24863), (3243, 15801), (4761, 10763), (5267, 9729)]