31885731

素因数分解:

$3^6\times {\mathrm{191}}^1\times {\mathrm{229}}^1$

素因数の和:438

約数の個数: 28

約数和(自身を含む): 48266880

約数和(自身を除く): 16381149

約数列:

[1, 3, 9, 27, 81, 191, 229, 243, 573, 687, 729, 1719, 2061, 5157, 6183, 15471, 18549, 43739, 46413, 55647, 131217, 139239, 166941, 393651, 1180953, 3542859, 10628577, 31885731]

約数ペア:

[(1, 31885731), (3, 10628577), (9, 3542859), (27, 1180953), (81, 393651), (191, 166941), (229, 139239), (243, 131217), (573, 55647), (687, 46413), (729, 43739), (1719, 18549), (2061, 15471), (5157, 6183)]