2021664105

素因数分解:

$3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{353747}}^1$

素因数の和:353885

約数の個数: 24

約数和(自身を含む): 3531820032

約数和(自身を除く): 1510155927

約数列:

[1, 3, 5, 9, 15, 45, 127, 381, 635, 1143, 1905, 5715, 353747, 1061241, 1768735, 3183723, 5306205, 15918615, 44925869, 134777607, 224629345, 404332821, 673888035, 2021664105]

約数ペア:

[(1, 2021664105), (3, 673888035), (5, 404332821), (9, 224629345), (15, 134777607), (45, 44925869), (127, 15918615), (381, 5306205), (635, 3183723), (1143, 1768735), (1905, 1061241), (5715, 353747)]