291681891

素因数分解:

$3^5\times {\mathrm{709}}^1\times {\mathrm{1693}}^1$

素因数の和:2417

約数の個数: 24

約数和(自身を含む): 437797360

約数和(自身を除く): 146115469

約数列:

[1, 3, 9, 27, 81, 243, 709, 1693, 2127, 5079, 6381, 15237, 19143, 45711, 57429, 137133, 172287, 411399, 1200337, 3601011, 10803033, 32409099, 97227297, 291681891]

約数ペア:

[(1, 291681891), (3, 97227297), (9, 32409099), (27, 10803033), (81, 3601011), (243, 1200337), (709, 411399), (1693, 172287), (2127, 137133), (5079, 57429), (6381, 45711), (15237, 19143)]