28212651

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1$

素因数の和:464

約数の個数: 32

約数和(自身を含む): 44029440

約数和(自身を除く): 15816789

約数列:

[1, 3, 9, 23, 27, 69, 181, 207, 251, 543, 621, 753, 1629, 2259, 4163, 4887, 5773, 6777, 12489, 17319, 37467, 45431, 51957, 112401, 136293, 155871, 408879, 1044913, 1226637, 3134739, 9404217, 28212651]

約数ペア:

[(1, 28212651), (3, 9404217), (9, 3134739), (23, 1226637), (27, 1044913), (69, 408879), (181, 155871), (207, 136293), (251, 112401), (543, 51957), (621, 45431), (753, 37467), (1629, 17319), (2259, 12489), (4163, 6777), (4887, 5773)]