28143207

素因数分解:

$3^4\times {\mathrm{337}}^1\times {\mathrm{1031}}^1$

素因数の和:1380

約数の個数: 20

約数和(自身を含む): 42206736

約数和(自身を除く): 14063529

約数列:

[1, 3, 9, 27, 81, 337, 1011, 1031, 3033, 3093, 9099, 9279, 27297, 27837, 83511, 347447, 1042341, 3127023, 9381069, 28143207]

約数ペア:

[(1, 28143207), (3, 9381069), (9, 3127023), (27, 1042341), (81, 347447), (337, 83511), (1011, 27837), (1031, 27297), (3033, 9279), (3093, 9099)]