26811567

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{19471}}^1$

素因数の和:19500

約数の個数: 20

約数和(自身を含む): 42410016

約数和(自身を除く): 15598449

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 19471, 58413, 175239, 331007, 525717, 993021, 1577151, 2979063, 8937189, 26811567]

約数ペア:

[(1, 26811567), (3, 8937189), (9, 2979063), (17, 1577151), (27, 993021), (51, 525717), (81, 331007), (153, 175239), (459, 58413), (1377, 19471)]