9904405

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6581}}^1$

素因数の和:6636

約数の個数: 16

約数和(自身を含む): 13901184

約数和(自身を除く): 3996779

約数列:

[1, 5, 7, 35, 43, 215, 301, 1505, 6581, 32905, 46067, 230335, 282983, 1414915, 1980881, 9904405]

約数ペア:

[(1, 9904405), (5, 1980881), (7, 1414915), (35, 282983), (43, 230335), (215, 46067), (301, 32905), (1505, 6581)]