8320401

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{739}}^1$

素因数の和:890

約数の個数: 20

約数和(自身を含む): 12535600

約数和(自身を除く): 4215199

約数列:

[1, 3, 9, 27, 81, 139, 417, 739, 1251, 2217, 3753, 6651, 11259, 19953, 59859, 102721, 308163, 924489, 2773467, 8320401]

約数ペア:

[(1, 8320401), (3, 2773467), (9, 924489), (27, 308163), (81, 102721), (139, 59859), (417, 19953), (739, 11259), (1251, 6651), (2217, 3753)]