28366281

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{5741}}^1$

素因数の和:5814

約数の個数: 20

約数和(自身を含む): 43076484

約数和(自身を除く): 14710203

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 5741, 17223, 51669, 155007, 350201, 465021, 1050603, 3151809, 9455427, 28366281]

約数ペア:

[(1, 28366281), (3, 9455427), (9, 3151809), (27, 1050603), (61, 465021), (81, 350201), (183, 155007), (549, 51669), (1647, 17223), (4941, 5741)]