208550811

素因数分解:

$3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{13259}}^1$

素因数の和:13383

約数の個数: 24

約数和(自身を含む): 326514240

約数和(自身を除く): 117963429

約数列:

[1, 3, 7, 21, 49, 107, 147, 321, 749, 2247, 5243, 13259, 15729, 39777, 92813, 278439, 649691, 1418713, 1949073, 4256139, 9930991, 29792973, 69516937, 208550811]

約数ペア:

[(1, 208550811), (3, 69516937), (7, 29792973), (21, 9930991), (49, 4256139), (107, 1949073), (147, 1418713), (321, 649691), (749, 278439), (2247, 92813), (5243, 39777), (13259, 15729)]