13580905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{113}}^1$

素因数の和:217

約数の個数: 24

約数和(自身を含む): 18127368

約数和(自身を除く): 4546463

約数列:

[1, 5, 13, 43, 65, 113, 215, 559, 565, 1469, 1849, 2795, 4859, 7345, 9245, 24037, 24295, 63167, 120185, 208937, 315835, 1044685, 2716181, 13580905]

約数ペア:

[(1, 13580905), (5, 2716181), (13, 1044685), (43, 315835), (65, 208937), (113, 120185), (215, 63167), (559, 24295), (565, 24037), (1469, 9245), (1849, 7345), (2795, 4859)]