156720709521

素因数分解:

$3^3\times {\mathrm{311}}^1\times {\mathrm{18663893}}^1$

素因数の和:18664213

約数の個数: 16

約数和(自身を含む): 232925397120

約数和(自身を除く): 76204687599

約数列:

[1, 3, 9, 27, 311, 933, 2799, 8397, 18663893, 55991679, 167975037, 503925111, 5804470723, 17413412169, 52240236507, 156720709521]

約数ペア:

[(1, 156720709521), (3, 52240236507), (9, 17413412169), (27, 5804470723), (311, 503925111), (933, 167975037), (2799, 55991679), (8397, 18663893)]