28428009

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{1987}}^1$

素因数の和:2260

約数の個数: 16

約数和(自身を含む): 40078080

約数和(自身を除く): 11650071

約数列:

[1, 3, 19, 57, 251, 753, 1987, 4769, 5961, 14307, 37753, 113259, 498737, 1496211, 9476003, 28428009]

約数ペア:

[(1, 28428009), (3, 9476003), (19, 1496211), (57, 498737), (251, 113259), (753, 37753), (1987, 14307), (4769, 5961)]