678663189

素因数分解:

$3^2\times {\mathrm{103}}^1\times {\mathrm{313}}^1\times {\mathrm{2339}}^1$

素因数の和:2761

約数の個数: 24

約数和(自身を含む): 993395520

約数和(自身を除く): 314732331

約数列:

[1, 3, 9, 103, 309, 313, 927, 939, 2339, 2817, 7017, 21051, 32239, 96717, 240917, 290151, 722751, 732107, 2168253, 2196321, 6588963, 75407021, 226221063, 678663189]

約数ペア:

[(1, 678663189), (3, 226221063), (9, 75407021), (103, 6588963), (309, 2196321), (313, 2168253), (927, 732107), (939, 722751), (2339, 290151), (2817, 240917), (7017, 96717), (21051, 32239)]