2018981385

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{411617}}^1$

素因数の和:411737

約数の個数: 24

約数和(自身を含む): 3531682440

約数和(自身を除く): 1512701055

約数列:

[1, 3, 5, 9, 15, 45, 109, 327, 545, 981, 1635, 4905, 411617, 1234851, 2058085, 3704553, 6174255, 18522765, 44866253, 134598759, 224331265, 403796277, 672993795, 2018981385]

約数ペア:

[(1, 2018981385), (3, 672993795), (5, 403796277), (9, 224331265), (15, 134598759), (45, 44866253), (109, 18522765), (327, 6174255), (545, 3704553), (981, 2058085), (1635, 1234851), (4905, 411617)]