28649781

素因数分解:

$3^4\times {\mathrm{577}}^1\times {\mathrm{613}}^1$

素因数の和:1202

約数の個数: 20

約数和(自身を含む): 42941932

約数和(自身を除く): 14292151

約数列:

[1, 3, 9, 27, 81, 577, 613, 1731, 1839, 5193, 5517, 15579, 16551, 46737, 49653, 353701, 1061103, 3183309, 9549927, 28649781]

約数ペア:

[(1, 28649781), (3, 9549927), (9, 3183309), (27, 1061103), (81, 353701), (577, 49653), (613, 46737), (1731, 16551), (1839, 15579), (5193, 5517)]