8990247

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{4001}}^1$

素因数の和:4118

約数の個数: 16

約数和(自身を含む): 13830912

約数和(自身を除く): 4840665

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 4001, 12003, 28007, 84021, 428107, 1284321, 2996749, 8990247]

約数ペア:

[(1, 8990247), (3, 2996749), (7, 1284321), (21, 428107), (107, 84021), (321, 28007), (749, 12003), (2247, 4001)]