28080891

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{28109}}^1$

素因数の和:28155

約数の個数: 16

約数和(自身を含む): 42727200

約数和(自身を除く): 14646309

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 28109, 84327, 252981, 758943, 1040033, 3120099, 9360297, 28080891]

約数ペア:

[(1, 28080891), (3, 9360297), (9, 3120099), (27, 1040033), (37, 758943), (111, 252981), (333, 84327), (999, 28109)]