2558889

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:205

約数の個数: 24

約数和(自身を含む): 3868800

約数和(自身を除く): 1309911

約数列:

[1, 3, 9, 59, 61, 79, 177, 183, 237, 531, 549, 711, 3599, 4661, 4819, 10797, 13983, 14457, 32391, 41949, 43371, 284321, 852963, 2558889]

約数ペア:

[(1, 2558889), (3, 852963), (9, 284321), (59, 43371), (61, 41949), (79, 32391), (177, 14457), (183, 13983), (237, 10797), (531, 4819), (549, 4661), (711, 3599)]