28525689

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{4243}}^1$

素因数の和:4338

約数の個数: 20

約数和(自身を含む): 43136016

約数和(自身を除く): 14610327

約数列:

[1, 3, 9, 27, 81, 83, 249, 747, 2241, 4243, 6723, 12729, 38187, 114561, 343683, 352169, 1056507, 3169521, 9508563, 28525689]

約数ペア:

[(1, 28525689), (3, 9508563), (9, 3169521), (27, 1056507), (81, 352169), (83, 343683), (249, 114561), (747, 38187), (2241, 12729), (4243, 6723)]