1398771

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:287

約数の個数: 24

約数和(自身を含む): 2246400

約数和(自身を除く): 847629

約数列:

[1, 3, 9, 11, 33, 71, 99, 199, 213, 597, 639, 781, 1791, 2189, 2343, 6567, 7029, 14129, 19701, 42387, 127161, 155419, 466257, 1398771]

約数ペア:

[(1, 1398771), (3, 466257), (9, 155419), (11, 127161), (33, 42387), (71, 19701), (99, 14129), (199, 7029), (213, 6567), (597, 2343), (639, 2189), (781, 1791)]