78712881

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{20807}}^1$

素因数の和:20920

約数の個数: 16

約数和(自身を含む): 114194304

約数和(自身を除く): 35481423

約数列:

[1, 3, 13, 39, 97, 291, 1261, 3783, 20807, 62421, 270491, 811473, 2018279, 6054837, 26237627, 78712881]

約数ペア:

[(1, 78712881), (3, 26237627), (13, 6054837), (39, 2018279), (97, 811473), (291, 270491), (1261, 62421), (3783, 20807)]