191889

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:138

約数の個数: 20

約数和(自身を含む): 302016

約数和(自身を除く): 110127

約数列:

[1, 3, 9, 23, 27, 69, 81, 103, 207, 309, 621, 927, 1863, 2369, 2781, 7107, 8343, 21321, 63963, 191889]

約数ペア:

[(1, 191889), (3, 63963), (9, 21321), (23, 8343), (27, 7107), (69, 2781), (81, 2369), (103, 1863), (207, 927), (309, 621)]