749391021

素因数分解:

$3^4\times {\mathrm{709}}^1\times {\mathrm{13049}}^1$

素因数の和:13770

約数の個数: 20

約数和(自身を含む): 1121125500

約数和(自身を除く): 371734479

約数列:

[1, 3, 9, 27, 81, 709, 2127, 6381, 13049, 19143, 39147, 57429, 117441, 352323, 1056969, 9251741, 27755223, 83265669, 249797007, 749391021]

約数ペア:

[(1, 749391021), (3, 249797007), (9, 83265669), (27, 27755223), (81, 9251741), (709, 1056969), (2127, 352323), (6381, 117441), (13049, 57429), (19143, 39147)]