2124405

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2777}}^1$

素因数の和:2805

約数の個数: 24

約数和(自身を含む): 3900312

約数和(自身を除く): 1775907

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 2777, 8331, 13885, 24993, 41655, 47209, 124965, 141627, 236045, 424881, 708135, 2124405]

約数ペア:

[(1, 2124405), (3, 708135), (5, 424881), (9, 236045), (15, 141627), (17, 124965), (45, 47209), (51, 41655), (85, 24993), (153, 13885), (255, 8331), (765, 2777)]