127777389

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{28151}}^1$

素因数の和:28260

約数の個数: 16

約数和(自身を含む): 182424960

約数和(自身を除く): 54647571

約数列:

[1, 3, 17, 51, 89, 267, 1513, 4539, 28151, 84453, 478567, 1435701, 2505439, 7516317, 42592463, 127777389]

約数ペア:

[(1, 127777389), (3, 42592463), (17, 7516317), (51, 2505439), (89, 1435701), (267, 478567), (1513, 84453), (4539, 28151)]