66721215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{36761}}^1$

素因数の和:36791

約数の個数: 24

約数和(自身を含む): 117344304

約数和(自身を除く): 50623089

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1815, 36761, 110283, 183805, 404371, 551415, 1213113, 2021855, 4448081, 6065565, 13344243, 22240405, 66721215]

約数ペア:

[(1, 66721215), (3, 22240405), (5, 13344243), (11, 6065565), (15, 4448081), (33, 2021855), (55, 1213113), (121, 551415), (165, 404371), (363, 183805), (605, 110283), (1815, 36761)]