90021239

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{68771}}^1$

素因数の和:68806

約数の個数: 16

約数和(自身を含む): 118838016

約数和(自身を除く): 28816777

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 68771, 481397, 756481, 1169107, 5295367, 8183749, 12860177, 90021239]

約数ペア:

[(1, 90021239), (7, 12860177), (11, 8183749), (17, 5295367), (77, 1169107), (119, 756481), (187, 481397), (1309, 68771)]