8420211

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1201}}^1$

素因数の和:1267

約数の個数: 24

約数和(自身を含む): 13125840

約数和(自身を除く): 4705629

約数列:

[1, 3, 9, 19, 41, 57, 123, 171, 369, 779, 1201, 2337, 3603, 7011, 10809, 22819, 49241, 68457, 147723, 205371, 443169, 935579, 2806737, 8420211]

約数ペア:

[(1, 8420211), (3, 2806737), (9, 935579), (19, 443169), (41, 205371), (57, 147723), (123, 68457), (171, 49241), (369, 22819), (779, 10809), (1201, 7011), (2337, 3603)]