51239493

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{26729}}^1$

素因数の和:26809

約数の個数: 16

約数和(自身を含む): 76982400

約数和(自身を除く): 25742907

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 26729, 80187, 240561, 721683, 1897759, 5693277, 17079831, 51239493]

約数ペア:

[(1, 51239493), (3, 17079831), (9, 5693277), (27, 1897759), (71, 721683), (213, 240561), (639, 80187), (1917, 26729)]