12861261

素因数分解:

$3^5\times 7^1\times {\mathrm{7561}}^1$

素因数の和:7583

約数の個数: 24

約数和(自身を含む): 22020544

約数和(自身を除く): 9159283

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 7561, 22683, 52927, 68049, 158781, 204147, 476343, 612441, 1429029, 1837323, 4287087, 12861261]

約数ペア:

[(1, 12861261), (3, 4287087), (7, 1837323), (9, 1429029), (21, 612441), (27, 476343), (63, 204147), (81, 158781), (189, 68049), (243, 52927), (567, 22683), (1701, 7561)]