40261545

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20807}}^1$

素因数の和:20861

約数の個数: 24

約数和(自身を含む): 71413056

約数和(自身を除く): 31151511

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 20807, 62421, 104035, 187263, 312105, 894701, 936315, 2684103, 4473505, 8052309, 13420515, 40261545]

約数ペア:

[(1, 40261545), (3, 13420515), (5, 8052309), (9, 4473505), (15, 2684103), (43, 936315), (45, 894701), (129, 312105), (215, 187263), (387, 104035), (645, 62421), (1935, 20807)]