81275697

素因数分解:

$3^3\times {\mathrm{181}}^1\times {\mathrm{16631}}^1$

素因数の和:16821

約数の個数: 16

約数和(自身を含む): 121080960

約数和(自身を除く): 39805263

約数列:

[1, 3, 9, 27, 181, 543, 1629, 4887, 16631, 49893, 149679, 449037, 3010211, 9030633, 27091899, 81275697]

約数ペア:

[(1, 81275697), (3, 27091899), (9, 9030633), (27, 3010211), (181, 449037), (543, 149679), (1629, 49893), (4887, 16631)]