12717891

素因数分解:

$3^5\times {\mathrm{199}}^1\times {\mathrm{263}}^1$

素因数の和:477

約数の個数: 24

約数和(自身を含む): 19219200

約数和(自身を除く): 6501309

約数列:

[1, 3, 9, 27, 81, 199, 243, 263, 597, 789, 1791, 2367, 5373, 7101, 16119, 21303, 48357, 52337, 63909, 157011, 471033, 1413099, 4239297, 12717891]

約数ペア:

[(1, 12717891), (3, 4239297), (9, 1413099), (27, 471033), (81, 157011), (199, 63909), (243, 52337), (263, 48357), (597, 21303), (789, 16119), (1791, 7101), (2367, 5373)]