81475121

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{1759}}^1$

素因数の和:2288

約数の個数: 16

約数和(自身を含む): 100531200

約数和(自身を除く): 19056079

約数列:

[1, 7, 13, 91, 509, 1759, 3563, 6617, 12313, 22867, 46319, 160069, 895331, 6267317, 11639303, 81475121]

約数ペア:

[(1, 81475121), (7, 11639303), (13, 6267317), (91, 895331), (509, 160069), (1759, 46319), (3563, 22867), (6617, 12313)]