81497277

素因数分解:

$3^2\times {\mathrm{439}}^1\times {\mathrm{20627}}^1$

素因数の和:21072

約数の個数: 12

約数和(自身を含む): 117992160

約数和(自身を除く): 36494883

約数列:

[1, 3, 9, 439, 1317, 3951, 20627, 61881, 185643, 9055253, 27165759, 81497277]

約数ペア:

[(1, 81497277), (3, 27165759), (9, 9055253), (439, 185643), (1317, 61881), (3951, 20627)]