28988127

素因数分解:

$3^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{2027}}^1$

素因数の和:2267

約数の個数: 24

約数和(自身を含む): 48087936

約数和(自身を除く): 19099809

約数列:

[1, 3, 7, 9, 21, 63, 227, 681, 1589, 2027, 2043, 4767, 6081, 14189, 14301, 18243, 42567, 127701, 460129, 1380387, 3220903, 4141161, 9662709, 28988127]

約数ペア:

[(1, 28988127), (3, 9662709), (7, 4141161), (9, 3220903), (21, 1380387), (63, 460129), (227, 127701), (681, 42567), (1589, 18243), (2027, 14301), (2043, 14189), (4767, 6081)]