77028721

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{457}}^1$

素因数の和:685

約数の個数: 24

約数和(自身を含む): 97462400

約数和(自身を除く): 20433679

約数列:

[1, 7, 11, 77, 121, 199, 457, 847, 1393, 2189, 3199, 5027, 15323, 24079, 35189, 55297, 90943, 168553, 387079, 636601, 1000373, 7002611, 11004103, 77028721]

約数ペア:

[(1, 77028721), (7, 11004103), (11, 7002611), (77, 1000373), (121, 636601), (199, 387079), (457, 168553), (847, 90943), (1393, 55297), (2189, 35189), (3199, 24079), (5027, 15323)]