31315989

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{677}}^1\times {\mathrm{907}}^1$

素因数の和:1604

約数の個数: 16

約数和(自身を含む): 44324928

約数和(自身を除く): 13008939

約数列:

[1, 3, 17, 51, 677, 907, 2031, 2721, 11509, 15419, 34527, 46257, 614039, 1842117, 10438663, 31315989]

約数ペア:

[(1, 31315989), (3, 10438663), (17, 1842117), (51, 614039), (677, 46257), (907, 34527), (2031, 15419), (2721, 11509)]