81325979

素因数分解:

$7^1\times {\mathrm{131}}^2\times {\mathrm{677}}^1$

素因数の和:946

約数の個数: 12

約数和(自身を含む): 93797232

約数和(自身を除く): 12471253

約数列:

[1, 7, 131, 677, 917, 4739, 17161, 88687, 120127, 620809, 11617997, 81325979]

約数ペア:

[(1, 81325979), (7, 11617997), (131, 620809), (677, 120127), (917, 88687), (4739, 17161)]