172783257

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{47717}}^1$

素因数の和:47808

約数の個数: 16

約数和(自身を含む): 247370112

約数和(自身を除く): 74586855

約数列:

[1, 3, 17, 51, 71, 213, 1207, 3621, 47717, 143151, 811189, 2433567, 3387907, 10163721, 57594419, 172783257]

約数ペア:

[(1, 172783257), (3, 57594419), (17, 10163721), (51, 3387907), (71, 2433567), (213, 811189), (1207, 143151), (3621, 47717)]