81128721

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1\times {\mathrm{1033}}^1$

素因数の和:1640

約数の個数: 16

約数和(自身を含む): 110778624

約数和(自身を除く): 29649903

約数列:

[1, 3, 47, 141, 557, 1033, 1671, 3099, 26179, 48551, 78537, 145653, 575381, 1726143, 27042907, 81128721]

約数ペア:

[(1, 81128721), (3, 27042907), (47, 1726143), (141, 575381), (557, 145653), (1033, 78537), (1671, 48551), (3099, 26179)]