28189467

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3167}}^1$

素因数の和:3239

約数の個数: 24

約数和(自身を含む): 43490304

約数和(自身を除く): 15300837

約数列:

[1, 3, 9, 23, 43, 69, 129, 207, 387, 989, 2967, 3167, 8901, 9501, 28503, 72841, 136181, 218523, 408543, 655569, 1225629, 3132163, 9396489, 28189467]

約数ペア:

[(1, 28189467), (3, 9396489), (9, 3132163), (23, 1225629), (43, 655569), (69, 408543), (129, 218523), (207, 136181), (387, 72841), (989, 28503), (2967, 9501), (3167, 8901)]