19691397

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{66301}}^1$

素因数の和:66321

約数の個数: 16

約数和(自身を含む): 31824960

約数和(自身を除く): 12133563

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 66301, 198903, 596709, 729311, 1790127, 2187933, 6563799, 19691397]

約数ペア:

[(1, 19691397), (3, 6563799), (9, 2187933), (11, 1790127), (27, 729311), (33, 596709), (99, 198903), (297, 66301)]