20927799

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3181}}^1$

素因数の和:3247

約数の個数: 24

約数和(自身を含む): 32761872

約数和(自身を除く): 11834073

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 387, 731, 2193, 3181, 6579, 9543, 28629, 54077, 136783, 162231, 410349, 486693, 1231047, 2325311, 6975933, 20927799]

約数ペア:

[(1, 20927799), (3, 6975933), (9, 2325311), (17, 1231047), (43, 486693), (51, 410349), (129, 162231), (153, 136783), (387, 54077), (731, 28629), (2193, 9543), (3181, 6579)]