28818449

素因数分解:

${\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 33538344

約数和(自身を除く): 4719895

約数列:

[1, 11, 37, 41, 121, 157, 407, 451, 1517, 1727, 4477, 4961, 5809, 6437, 16687, 18997, 63899, 70807, 183557, 238169, 702889, 778877, 2619859, 28818449]

約数ペア:

[(1, 28818449), (11, 2619859), (37, 778877), (41, 702889), (121, 238169), (157, 183557), (407, 70807), (451, 63899), (1517, 18997), (1727, 16687), (4477, 6437), (4961, 5809)]