15560865

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20341}}^1$

素因数の和:20369

約数の個数: 24

約数和(自身を含む): 28560168

約数和(自身を除く): 12999303

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 20341, 61023, 101705, 183069, 305115, 345797, 915345, 1037391, 1728985, 3112173, 5186955, 15560865]

約数ペア:

[(1, 15560865), (3, 5186955), (5, 3112173), (9, 1728985), (15, 1037391), (17, 915345), (45, 345797), (51, 305115), (85, 183069), (153, 101705), (255, 61023), (765, 20341)]