388680705

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{1233907}}^1$

素因数の和:1233925

約数の個数: 24

約数和(自身を含む): 769958592

約数和(自身を除く): 381277887

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 1233907, 3701721, 6169535, 8637349, 11105163, 18508605, 25912047, 43186745, 55525815, 77736141, 129560235, 388680705]

約数ペア:

[(1, 388680705), (3, 129560235), (5, 77736141), (7, 55525815), (9, 43186745), (15, 25912047), (21, 18508605), (35, 11105163), (45, 8637349), (63, 6169535), (105, 3701721), (315, 1233907)]