391121567217

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{762420209}}^1$

素因数の和:762420237

約数の個数: 16

約数和(自身を含む): 609936168000

約数和(自身を除く): 218814600783

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 762420209, 2287260627, 6861781881, 14485983971, 20585345643, 43457951913, 130373855739, 391121567217]

約数ペア:

[(1, 391121567217), (3, 130373855739), (9, 43457951913), (19, 20585345643), (27, 14485983971), (57, 6861781881), (171, 2287260627), (513, 762420209)]