85005981

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{497111}}^1$

素因数の和:497136

約数の個数: 12

約数和(自身を含む): 129249120

約数和(自身を除く): 44243139

約数列:

[1, 3, 9, 19, 57, 171, 497111, 1491333, 4473999, 9445109, 28335327, 85005981]

約数ペア:

[(1, 85005981), (3, 28335327), (9, 9445109), (19, 4473999), (57, 1491333), (171, 497111)]