206716521

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{15391}}^1$

素因数の和:15453

約数の個数: 24

約数和(自身を含む): 311164672

約数和(自身を除く): 104448151

約数列:

[1, 3, 11, 33, 37, 111, 121, 363, 407, 1221, 4477, 13431, 15391, 46173, 169301, 507903, 569467, 1708401, 1862311, 5586933, 6264137, 18792411, 68905507, 206716521]

約数ペア:

[(1, 206716521), (3, 68905507), (11, 18792411), (33, 6264137), (37, 5586933), (111, 1862311), (121, 1708401), (363, 569467), (407, 507903), (1221, 169301), (4477, 46173), (13431, 15391)]