81620961

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{22541}}^1$

素因数の和:22632

約数の個数: 16

約数和(自身を含む): 116857728

約数和(自身を除く): 35236767

約数列:

[1, 3, 17, 51, 71, 213, 1207, 3621, 22541, 67623, 383197, 1149591, 1600411, 4801233, 27206987, 81620961]

約数ペア:

[(1, 81620961), (3, 27206987), (17, 4801233), (51, 1600411), (71, 1149591), (213, 383197), (1207, 67623), (3621, 22541)]