6665661

素因数分解:

$3^2\times {\mathrm{37}}^2\times {\mathrm{541}}^1$

素因数の和:621

約数の個数: 18

約数和(自身を含む): 9913722

約数和(自身を除く): 3248061

約数列:

[1, 3, 9, 37, 111, 333, 541, 1369, 1623, 4107, 4869, 12321, 20017, 60051, 180153, 740629, 2221887, 6665661]

約数ペア:

[(1, 6665661), (3, 2221887), (9, 740629), (37, 180153), (111, 60051), (333, 20017), (541, 12321), (1369, 4869), (1623, 4107)]