199304847

素因数分解:

$3^3\times 7^1\times {\mathrm{1054523}}^1$

素因数の和:1054539

約数の個数: 16

約数和(自身を含む): 337447680

約数和(自身を除く): 138142833

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1054523, 3163569, 7381661, 9490707, 22144983, 28472121, 66434949, 199304847]

約数ペア:

[(1, 199304847), (3, 66434949), (7, 28472121), (9, 22144983), (21, 9490707), (27, 7381661), (63, 3163569), (189, 1054523)]