2019912885

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2640409}}^1$

素因数の和:2640437

約数の個数: 24

約数和(自身を含む): 3707135640

約数和(自身を除く): 1687222755

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 2640409, 7921227, 13202045, 23763681, 39606135, 44886953, 118818405, 134660859, 224434765, 403982577, 673304295, 2019912885]

約数ペア:

[(1, 2019912885), (3, 673304295), (5, 403982577), (9, 224434765), (15, 134660859), (17, 118818405), (45, 44886953), (51, 39606135), (85, 23763681), (153, 13202045), (255, 7921227), (765, 2640409)]