4180977

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{727}}^1$

素因数の和:810

約数の個数: 20

約数和(自身を含む): 6342336

約数和(自身を除く): 2161359

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 727, 1917, 2181, 5751, 6543, 19629, 51617, 58887, 154851, 464553, 1393659, 4180977]

約数ペア:

[(1, 4180977), (3, 1393659), (9, 464553), (27, 154851), (71, 58887), (81, 51617), (213, 19629), (639, 6543), (727, 5751), (1917, 2181)]