263656539

素因数分解:

$3^4\times {\mathrm{709}}^1\times {\mathrm{4591}}^1$

素因数の和:5312

約数の個数: 20

約数和(自身を含む): 394498720

約数和(自身を除く): 130842181

約数列:

[1, 3, 9, 27, 81, 709, 2127, 4591, 6381, 13773, 19143, 41319, 57429, 123957, 371871, 3255019, 9765057, 29295171, 87885513, 263656539]

約数ペア:

[(1, 263656539), (3, 87885513), (9, 29295171), (27, 9765057), (81, 3255019), (709, 371871), (2127, 123957), (4591, 57429), (6381, 41319), (13773, 19143)]