128255889

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{27743}}^1$

素因数の和:27836

約数の個数: 16

約数和(自身を含む): 181112832

約数和(自身を除く): 52856943

約数列:

[1, 3, 23, 67, 69, 201, 1541, 4623, 27743, 83229, 638089, 1858781, 1914267, 5576343, 42751963, 128255889]

約数ペア:

[(1, 128255889), (3, 42751963), (23, 5576343), (67, 1914267), (69, 1858781), (201, 638089), (1541, 83229), (4623, 27743)]