90387405

素因数分解:

$3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{5009}}^1$

素因数の和:5421

約数の個数: 24

約数和(自身を含む): 157093560

約数和(自身を除く): 66706155

約数列:

[1, 3, 5, 9, 15, 45, 401, 1203, 2005, 3609, 5009, 6015, 15027, 18045, 25045, 45081, 75135, 225405, 2008609, 6025827, 10043045, 18077481, 30129135, 90387405]

約数ペア:

[(1, 90387405), (3, 30129135), (5, 18077481), (9, 10043045), (15, 6025827), (45, 2008609), (401, 225405), (1203, 75135), (2005, 45081), (3609, 25045), (5009, 18045), (6015, 15027)]