18081045

素因数分解:

$3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{907}}^1$

素因数の和:1361

約数の個数: 24

約数和(自身を含む): 31445856

約数和(自身を除く): 13364811

約数列:

[1, 3, 5, 9, 15, 45, 443, 907, 1329, 2215, 2721, 3987, 4535, 6645, 8163, 13605, 19935, 40815, 401801, 1205403, 2009005, 3616209, 6027015, 18081045]

約数ペア:

[(1, 18081045), (3, 6027015), (5, 3616209), (9, 2009005), (15, 1205403), (45, 401801), (443, 40815), (907, 19935), (1329, 13605), (2215, 8163), (2721, 6645), (3987, 4535)]