200866239

素因数分解:

$3^2\times 7^2\times {\mathrm{455479}}^1$

素因数の和:455499

約数の個数: 18

約数和(自身を含む): 337510680

約数和(自身を除く): 136644441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 455479, 1366437, 3188353, 4099311, 9565059, 22318471, 28695177, 66955413, 200866239]

約数ペア:

[(1, 200866239), (3, 66955413), (7, 28695177), (9, 22318471), (21, 9565059), (49, 4099311), (63, 3188353), (147, 1366437), (441, 455479)]