13393989

素因数分解:

$3^2\times 7^1\times {\mathrm{433}}^1\times {\mathrm{491}}^1$

素因数の和:937

約数の個数: 24

約数和(自身を含む): 22206912

約数和(自身を除く): 8812923

約数列:

[1, 3, 7, 9, 21, 63, 433, 491, 1299, 1473, 3031, 3437, 3897, 4419, 9093, 10311, 27279, 30933, 212603, 637809, 1488221, 1913427, 4464663, 13393989]

約数ペア:

[(1, 13393989), (3, 4464663), (7, 1913427), (9, 1488221), (21, 637809), (63, 212603), (433, 30933), (491, 27279), (1299, 10311), (1473, 9093), (3031, 4419), (3437, 3897)]