8420481

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:325

約数の個数: 24

約数和(自身を含む): 12579840

約数和(自身を除く): 4159359

約数列:

[1, 3, 9, 53, 127, 139, 159, 381, 417, 477, 1143, 1251, 6731, 7367, 17653, 20193, 22101, 52959, 60579, 66303, 158877, 935609, 2806827, 8420481]

約数ペア:

[(1, 8420481), (3, 2806827), (9, 935609), (53, 158877), (127, 66303), (139, 60579), (159, 52959), (381, 22101), (417, 20193), (477, 17653), (1143, 7367), (1251, 6731)]