12185397

素因数分解:

$3^4\times 7^1\times {\mathrm{21491}}^1$

素因数の和:21510

約数の個数: 20

約数和(自身を含む): 20804256

約数和(自身を除く): 8618859

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 21491, 64473, 150437, 193419, 451311, 580257, 1353933, 1740771, 4061799, 12185397]

約数ペア:

[(1, 12185397), (3, 4061799), (7, 1740771), (9, 1353933), (21, 580257), (27, 451311), (63, 193419), (81, 150437), (189, 64473), (567, 21491)]