28503645

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{111779}}^1$

素因数の和:111804

約数の個数: 16

約数和(自身を含む): 48288960

約数和(自身を除く): 19785315

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 111779, 335337, 558895, 1676685, 1900243, 5700729, 9501215, 28503645]

約数ペア:

[(1, 28503645), (3, 9501215), (5, 5700729), (15, 1900243), (17, 1676685), (51, 558895), (85, 335337), (255, 111779)]