217899897

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{677}}^1\times {\mathrm{6311}}^1$

素因数の和:7008

約数の個数: 16

約数和(自身を含む): 308126592

約数和(自身を除く): 90226695

約数列:

[1, 3, 17, 51, 677, 2031, 6311, 11509, 18933, 34527, 107287, 321861, 4272547, 12817641, 72633299, 217899897]

約数ペア:

[(1, 217899897), (3, 72633299), (17, 12817641), (51, 4272547), (677, 321861), (2031, 107287), (6311, 34527), (11509, 18933)]