9720291

素因数分解:

$3^1\times 7^1\times {\mathrm{462871}}^1$

素因数の和:462881

約数の個数: 8

約数和(自身を含む): 14811904

約数和(自身を除く): 5091613

約数列:

[1, 3, 7, 21, 462871, 1388613, 3240097, 9720291]

約数ペア:

[(1, 9720291), (3, 3240097), (7, 1388613), (21, 462871)]