90218817

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{12641}}^1$

素因数の和:12721

約数の個数: 24

約数和(自身を含む): 142652328

約数和(自身を除く): 52433511

約数列:

[1, 3, 9, 13, 39, 61, 117, 183, 549, 793, 2379, 7137, 12641, 37923, 113769, 164333, 492999, 771101, 1478997, 2313303, 6939909, 10024313, 30072939, 90218817]

約数ペア:

[(1, 90218817), (3, 30072939), (9, 10024313), (13, 6939909), (39, 2313303), (61, 1478997), (117, 771101), (183, 492999), (549, 164333), (793, 113769), (2379, 37923), (7137, 12641)]