12991023

素因数分解:

$3^5\times {\mathrm{193}}^1\times {\mathrm{277}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 19631248

約数和(自身を除く): 6640225

約数列:

[1, 3, 9, 27, 81, 193, 243, 277, 579, 831, 1737, 2493, 5211, 7479, 15633, 22437, 46899, 53461, 67311, 160383, 481149, 1443447, 4330341, 12991023]

約数ペア:

[(1, 12991023), (3, 4330341), (9, 1443447), (27, 481149), (81, 160383), (193, 67311), (243, 53461), (277, 46899), (579, 22437), (831, 15633), (1737, 7479), (2493, 5211)]