55517721

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{25667}}^1$

素因数の和:25780

約数の個数: 16

約数和(自身を含む): 85423104

約数和(自身を除く): 29905383

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 25667, 77001, 179669, 539007, 2643701, 7931103, 18505907, 55517721]

約数ペア:

[(1, 55517721), (3, 18505907), (7, 7931103), (21, 2643701), (103, 539007), (309, 179669), (721, 77001), (2163, 25667)]