199341

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:142

約数の個数: 20

約数和(自身を含む): 313632

約数和(自身を除く): 114291

約数列:

[1, 3, 9, 23, 27, 69, 81, 107, 207, 321, 621, 963, 1863, 2461, 2889, 7383, 8667, 22149, 66447, 199341]

約数ペア:

[(1, 199341), (3, 66447), (9, 22149), (23, 8667), (27, 7383), (69, 2889), (81, 2461), (107, 1863), (207, 963), (321, 621)]