628291881

素因数分解:

$3^2\times 7^1\times {\mathrm{677}}^1\times {\mathrm{14731}}^1$

素因数の和:15421

約数の個数: 24

約数和(自身を含む): 1038782784

約数和(自身を除く): 410490903

約数列:

[1, 3, 7, 9, 21, 63, 677, 2031, 4739, 6093, 14217, 14731, 42651, 44193, 103117, 132579, 309351, 928053, 9972887, 29918661, 69810209, 89755983, 209430627, 628291881]

約数ペア:

[(1, 628291881), (3, 209430627), (7, 89755983), (9, 69810209), (21, 29918661), (63, 9972887), (677, 928053), (2031, 309351), (4739, 132579), (6093, 103117), (14217, 44193), (14731, 42651)]