225540855

素因数分解:

$3^4\times 5^1\times {\mathrm{556891}}^1$

素因数の和:556908

約数の個数: 20

約数和(自身を含む): 404303592

約数和(自身を除く): 178762737

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 556891, 1670673, 2784455, 5012019, 8353365, 15036057, 25060095, 45108171, 75180285, 225540855]

約数ペア:

[(1, 225540855), (3, 75180285), (5, 45108171), (9, 25060095), (15, 15036057), (27, 8353365), (45, 5012019), (81, 2784455), (135, 1670673), (405, 556891)]