15656589

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7043}}^1$

素因数の和:7081

約数の個数: 24

約数和(自身を含む): 25640160

約数和(自身を除く): 9983571

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 7043, 21129, 63387, 91559, 133817, 274677, 401451, 824031, 1204353, 1739621, 5218863, 15656589]

約数ペア:

[(1, 15656589), (3, 5218863), (9, 1739621), (13, 1204353), (19, 824031), (39, 401451), (57, 274677), (117, 133817), (171, 91559), (247, 63387), (741, 21129), (2223, 7043)]