209568027

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{61331}}^1$

素因数の和:61418

約数の個数: 16

約数和(自身を含む): 300281472

約数和(自身を除く): 90713445

約数列:

[1, 3, 17, 51, 67, 201, 1139, 3417, 61331, 183993, 1042627, 3127881, 4109177, 12327531, 69856009, 209568027]

約数ペア:

[(1, 209568027), (3, 69856009), (17, 12327531), (51, 4109177), (67, 3127881), (201, 1042627), (1139, 183993), (3417, 61331)]