9991767

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1831}}^1$

素因数の和:1958

約数の個数: 16

約数和(自身を含む): 14245632

約数和(自身を除く): 4253865

約数列:

[1, 3, 17, 51, 107, 321, 1819, 1831, 5457, 5493, 31127, 93381, 195917, 587751, 3330589, 9991767]

約数ペア:

[(1, 9991767), (3, 3330589), (17, 587751), (51, 195917), (107, 93381), (321, 31127), (1819, 5493), (1831, 5457)]