128616999

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{142433}}^1$

素因数の和:142486

約数の個数: 16

約数和(自身を含む): 200547072

約数和(自身を除く): 71930073

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 142433, 427299, 997031, 2991093, 6124619, 18373857, 42872333, 128616999]

約数ペア:

[(1, 128616999), (3, 42872333), (7, 18373857), (21, 6124619), (43, 2991093), (129, 997031), (301, 427299), (903, 142433)]