90047781

素因数分解:

$3^5\times {\mathrm{263}}^1\times {\mathrm{1409}}^1$

素因数の和:1687

約数の個数: 24

約数和(自身を含む): 135495360

約数和(自身を除く): 45447579

約数列:

[1, 3, 9, 27, 81, 243, 263, 789, 1409, 2367, 4227, 7101, 12681, 21303, 38043, 63909, 114129, 342387, 370567, 1111701, 3335103, 10005309, 30015927, 90047781]

約数ペア:

[(1, 90047781), (3, 30015927), (9, 10005309), (27, 3335103), (81, 1111701), (243, 370567), (263, 342387), (789, 114129), (1409, 63909), (2367, 38043), (4227, 21303), (7101, 12681)]