1520291385

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1987309}}^1$

素因数の和:1987337

約数の個数: 24

約数和(自身を含む): 2790183240

約数和(自身を除く): 1269891855

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 1987309, 5961927, 9936545, 17885781, 29809635, 33784253, 89428905, 101352759, 168921265, 304058277, 506763795, 1520291385]

約数ペア:

[(1, 1520291385), (3, 506763795), (5, 304058277), (9, 168921265), (15, 101352759), (17, 89428905), (45, 33784253), (51, 29809635), (85, 17885781), (153, 9936545), (255, 5961927), (765, 1987309)]