28507672641

素因数分解:

$3^1\times 7^1\times {\mathrm{997}}^1\times {\mathrm{1361593}}^1$

素因数の和:1362600

約数の個数: 16

約数和(自身を含む): 43483865984

約数和(自身を除く): 14976193343

約数列:

[1, 3, 7, 21, 997, 2991, 6979, 20937, 1361593, 4084779, 9531151, 28593453, 1357508221, 4072524663, 9502557547, 28507672641]

約数ペア:

[(1, 28507672641), (3, 9502557547), (7, 4072524663), (21, 1357508221), (997, 28593453), (2991, 9531151), (6979, 4084779), (20937, 1361593)]