520079861721

素因数分解:

$3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{25452937}}^1$

素因数の和:25453093

約数の個数: 24

約数和(自身を含む): 812457780960

約数和(自身を除く): 292377919239

約数列:

[1, 3, 7, 21, 49, 139, 147, 417, 973, 2919, 6811, 20433, 25452937, 76358811, 178170559, 534511677, 1247193913, 3537958243, 3741581739, 10613874729, 24765707701, 74297123103, 173359953907, 520079861721]

約数ペア:

[(1, 520079861721), (3, 173359953907), (7, 74297123103), (21, 24765707701), (49, 10613874729), (139, 3741581739), (147, 3537958243), (417, 1247193913), (973, 534511677), (2919, 178170559), (6811, 76358811), (20433, 25452937)]