51167711

素因数分解:

$7^4\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:340

約数の個数: 20

約数和(自身を含む): 60568824

約数和(自身を除く): 9401113

約数列:

[1, 7, 49, 101, 211, 343, 707, 1477, 2401, 4949, 10339, 21311, 34643, 72373, 149177, 242501, 506611, 1044239, 7309673, 51167711]

約数ペア:

[(1, 51167711), (7, 7309673), (49, 1044239), (101, 506611), (211, 242501), (343, 149177), (707, 72373), (1477, 34643), (2401, 21311), (4949, 10339)]