2215845

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1201}}^1$

素因数の和:1253

約数の個数: 24

約数和(自身を含む): 3937752

約数和(自身を除く): 1721907

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1201, 1845, 3603, 6005, 10809, 18015, 49241, 54045, 147723, 246205, 443169, 738615, 2215845]

約数ペア:

[(1, 2215845), (3, 738615), (5, 443169), (9, 246205), (15, 147723), (41, 54045), (45, 49241), (123, 18015), (205, 10809), (369, 6005), (615, 3603), (1201, 1845)]