856551879

素因数分解:

$3^2\times {\mathrm{151}}^1\times {\mathrm{630281}}^1$

素因数の和:630438

約数の個数: 12

約数和(自身を含む): 1245437232

約数和(自身を除く): 388885353

約数列:

[1, 3, 9, 151, 453, 1359, 630281, 1890843, 5672529, 95172431, 285517293, 856551879]

約数ペア:

[(1, 856551879), (3, 285517293), (9, 95172431), (151, 5672529), (453, 1890843), (1359, 630281)]