28350891

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{4217}}^1$

素因数の和:4312

約数の個数: 20

約数和(自身を含む): 42871752

約数和(自身を除く): 14520861

約数列:

[1, 3, 9, 27, 81, 83, 249, 747, 2241, 4217, 6723, 12651, 37953, 113859, 341577, 350011, 1050033, 3150099, 9450297, 28350891]

約数ペア:

[(1, 28350891), (3, 9450297), (9, 3150099), (27, 1050033), (81, 350011), (83, 341577), (249, 113859), (747, 37953), (2241, 12651), (4217, 6723)]