28130205

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{39901}}^1$

素因数の和:39956

約数の個数: 16

約数和(自身を含む): 45967104

約数和(自身を除く): 17836899

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 39901, 119703, 199505, 598515, 1875347, 5626041, 9376735, 28130205]

約数ペア:

[(1, 28130205), (3, 9376735), (5, 5626041), (15, 1875347), (47, 598515), (141, 199505), (235, 119703), (705, 39901)]