249157041

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{289381}}^1$

素因数の和:289432

約数の個数: 16

約数和(自身を含む): 388929408

約数和(自身を除く): 139772367

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 289381, 868143, 2025667, 6077001, 11864621, 35593863, 83052347, 249157041]

約数ペア:

[(1, 249157041), (3, 83052347), (7, 35593863), (21, 11864621), (41, 6077001), (123, 2025667), (287, 868143), (861, 289381)]