13465521

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{4493}}^1$

素因数の和:4542

約数の個数: 20

約数和(自身を含む): 20663412

約数和(自身を除く): 7197891

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 4493, 13479, 40437, 121311, 166241, 363933, 498723, 1496169, 4488507, 13465521]

約数ペア:

[(1, 13465521), (3, 4488507), (9, 1496169), (27, 498723), (37, 363933), (81, 166241), (111, 121311), (333, 40437), (999, 13479), (2997, 4493)]