17950989

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{20849}}^1$

素因数の和:20900

約数の個数: 16

約数和(自身を含む): 28022400

約数和(自身を除く): 10071411

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 20849, 62547, 145943, 437829, 854809, 2564427, 5983663, 17950989]

約数ペア:

[(1, 17950989), (3, 5983663), (7, 2564427), (21, 854809), (41, 437829), (123, 145943), (287, 62547), (861, 20849)]