81302081

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{190403}}^1$

素因数の和:190471

約数の個数: 8

約数和(自身を含む): 94440384

約数和(自身を除く): 13138303

約数列:

[1, 7, 61, 427, 190403, 1332821, 11614583, 81302081]

約数ペア:

[(1, 81302081), (7, 11614583), (61, 1332821), (427, 190403)]