12813213

素因数分解:

$3^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{883}}^1$

素因数の和:1584

約数の個数: 16

約数和(自身を含む): 19575296

約数和(自身を除く): 6762083

約数列:

[1, 3, 7, 21, 691, 883, 2073, 2649, 4837, 6181, 14511, 18543, 610153, 1830459, 4271071, 12813213]

約数ペア:

[(1, 12813213), (3, 4271071), (7, 1830459), (21, 610153), (691, 18543), (883, 14511), (2073, 6181), (2649, 4837)]