81627479997

素因数分解:

$3^1\times 7^1\times {\mathrm{69259}}^1\times {\mathrm{56123}}^1$

素因数の和:125392

約数の個数: 16

約数和(自身を含む): 124388743680

約数和(自身を除く): 42761263683

約数列:

[1, 3, 7, 21, 56123, 69259, 168369, 207777, 392861, 484813, 1178583, 1454439, 3887022857, 11661068571, 27209159999, 81627479997]

約数ペア:

[(1, 81627479997), (3, 27209159999), (7, 11661068571), (21, 3887022857), (56123, 1454439), (69259, 1178583), (168369, 484813), (207777, 392861)]