2728971

素因数分解:

$3^4\times 7^1\times {\mathrm{4813}}^1$

素因数の和:4832

約数の個数: 20

約数和(自身を含む): 4659952

約数和(自身を除く): 1930981

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 4813, 14439, 33691, 43317, 101073, 129951, 303219, 389853, 909657, 2728971]

約数ペア:

[(1, 2728971), (3, 909657), (7, 389853), (9, 303219), (21, 129951), (27, 101073), (63, 43317), (81, 33691), (189, 14439), (567, 4813)]