208029129

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{81869}}^1$

素因数の和:81901

約数の個数: 24

約数和(自身を含む): 348438720

約数和(自身を除く): 140409591

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 81869, 245607, 573083, 900559, 1719249, 2701677, 6303913, 9906149, 18911739, 29718447, 69343043, 208029129]

約数ペア:

[(1, 208029129), (3, 69343043), (7, 29718447), (11, 18911739), (21, 9906149), (33, 6303913), (77, 2701677), (121, 1719249), (231, 900559), (363, 573083), (847, 245607), (2541, 81869)]