17981821053

素因数分解:

$3^2\times 7^1\times {\mathrm{2671}}^1\times {\mathrm{106861}}^1$

素因数の和:109545

約数の個数: 24

約数和(自身を含む): 29695667456

約数和(自身を除く): 11713846403

約数列:

[1, 3, 7, 9, 21, 63, 2671, 8013, 18697, 24039, 56091, 106861, 168273, 320583, 748027, 961749, 2244081, 6732243, 285425731, 856277193, 1997980117, 2568831579, 5993940351, 17981821053]

約数ペア:

[(1, 17981821053), (3, 5993940351), (7, 2568831579), (9, 1997980117), (21, 856277193), (63, 285425731), (2671, 6732243), (8013, 2244081), (18697, 961749), (24039, 748027), (56091, 320583), (106861, 168273)]