81561909

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{190121}}^1$

素因数の和:190148

約数の個数: 16

約数和(自身を含む): 127761984

約数和(自身を除く): 46200075

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 190121, 570363, 2091331, 2471573, 6273993, 7414719, 27187303, 81561909]

約数ペア:

[(1, 81561909), (3, 27187303), (11, 7414719), (13, 6273993), (33, 2471573), (39, 2091331), (143, 570363), (429, 190121)]