208641807

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{29683}}^1$

素因数の和:29771

約数の個数: 24

約数和(自身を含む): 333410688

約数和(自身を除く): 124768881

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 7029, 29683, 89049, 267147, 326513, 979539, 2107493, 2938617, 6322479, 18967437, 23182423, 69547269, 208641807]

約数ペア:

[(1, 208641807), (3, 69547269), (9, 23182423), (11, 18967437), (33, 6322479), (71, 2938617), (99, 2107493), (213, 979539), (639, 326513), (781, 267147), (2343, 89049), (7029, 29683)]