51239919

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{2207}}^1$

素因数の和:2390

約数の個数: 16

約数和(自身を含む): 69949440

約数和(自身を除く): 18709521

約数列:

[1, 3, 71, 109, 213, 327, 2207, 6621, 7739, 23217, 156697, 240563, 470091, 721689, 17079973, 51239919]

約数ペア:

[(1, 51239919), (3, 17079973), (71, 721689), (109, 470091), (213, 240563), (327, 156697), (2207, 23217), (6621, 7739)]