12901905

素因数分解:

$3^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{701}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 22449960

約数和(自身を除く): 9548055

約数列:

[1, 3, 5, 9, 15, 45, 409, 701, 1227, 2045, 2103, 3505, 3681, 6135, 6309, 10515, 18405, 31545, 286709, 860127, 1433545, 2580381, 4300635, 12901905]

約数ペア:

[(1, 12901905), (3, 4300635), (5, 2580381), (9, 1433545), (15, 860127), (45, 286709), (409, 31545), (701, 18405), (1227, 10515), (2045, 6309), (2103, 6135), (3505, 3681)]