68878147

素因数分解:

${\mathrm{13}}^3\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:439

約数の個数: 16

約数和(自身を含む): 75569760

約数和(自身を除く): 6691613

約数列:

[1, 13, 107, 169, 293, 1391, 2197, 3809, 18083, 31351, 49517, 235079, 407563, 643721, 5298319, 68878147]

約数ペア:

[(1, 68878147), (13, 5298319), (107, 643721), (169, 407563), (293, 235079), (1391, 49517), (2197, 31351), (3809, 18083)]