12778996881

素因数分解:

$3^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{1919633}}^1$

素因数の和:1919960

約数の個数: 16

約数和(自身を含む): 19534195584

約数和(自身を除く): 6755198703

約数列:

[1, 3, 7, 21, 317, 951, 2219, 6657, 1919633, 5758899, 13437431, 40312293, 608523661, 1825570983, 4259665627, 12778996881]

約数ペア:

[(1, 12778996881), (3, 4259665627), (7, 1825570983), (21, 608523661), (317, 40312293), (951, 13437431), (2219, 5758899), (6657, 1919633)]