72039947

素因数分解:

$7^3\times {\mathrm{139}}^1\times {\mathrm{1511}}^1$

素因数の和:1671

約数の個数: 16

約数和(自身を含む): 84672000

約数和(自身を除く): 12632053

約数列:

[1, 7, 49, 139, 343, 973, 1511, 6811, 10577, 47677, 74039, 210029, 518273, 1470203, 10291421, 72039947]

約数ペア:

[(1, 72039947), (7, 10291421), (49, 1470203), (139, 518273), (343, 210029), (973, 74039), (1511, 47677), (6811, 10577)]