12950721

素因数分解:

$3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1033}}^1$

素因数の和:1245

約数の個数: 24

約数和(自身を含む): 21507200

約数和(自身を除く): 8556479

約数列:

[1, 3, 7, 9, 21, 63, 199, 597, 1033, 1393, 1791, 3099, 4179, 7231, 9297, 12537, 21693, 65079, 205567, 616701, 1438969, 1850103, 4316907, 12950721]

約数ペア:

[(1, 12950721), (3, 4316907), (7, 1850103), (9, 1438969), (21, 616701), (63, 205567), (199, 65079), (597, 21693), (1033, 12537), (1393, 9297), (1791, 7231), (3099, 4179)]