51129621

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1777}}^1$

素因数の和:1945

約数の個数: 24

約数和(自身を含む): 77663040

約数和(自身を除く): 26533419

約数列:

[1, 3, 9, 23, 69, 139, 207, 417, 1251, 1777, 3197, 5331, 9591, 15993, 28773, 40871, 122613, 247003, 367839, 741009, 2223027, 5681069, 17043207, 51129621]

約数ペア:

[(1, 51129621), (3, 17043207), (9, 5681069), (23, 2223027), (69, 741009), (139, 367839), (207, 247003), (417, 122613), (1251, 40871), (1777, 28773), (3197, 15993), (5331, 9591)]