28351863

素因数分解:

$3^4\times {\mathrm{571}}^1\times {\mathrm{613}}^1$

素因数の和:1196

約数の個数: 20

約数和(自身を含む): 42496168

約数和(自身を除く): 14144305

約数列:

[1, 3, 9, 27, 81, 571, 613, 1713, 1839, 5139, 5517, 15417, 16551, 46251, 49653, 350023, 1050069, 3150207, 9450621, 28351863]

約数ペア:

[(1, 28351863), (3, 9450621), (9, 3150207), (27, 1050069), (81, 350023), (571, 49653), (613, 46251), (1713, 16551), (1839, 15417), (5139, 5517)]