20171864061

素因数分解:

$3^2\times {\mathrm{15889}}^1\times {\mathrm{141061}}^1$

素因数の和:156956

約数の個数: 12

約数和(自身を含む): 29139177340

約数和(自身を除く): 8967313279

約数列:

[1, 3, 9, 15889, 47667, 141061, 143001, 423183, 1269549, 2241318229, 6723954687, 20171864061]

約数ペア:

[(1, 20171864061), (3, 6723954687), (9, 2241318229), (15889, 1269549), (47667, 423183), (141061, 143001)]