81169319

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{5351}}^1$

素因数の和:5566

約数の個数: 16

約数和(自身を含む): 101730816

約数和(自身を除く): 20561497

約数列:

[1, 7, 11, 77, 197, 1379, 2167, 5351, 15169, 37457, 58861, 412027, 1054147, 7379029, 11595617, 81169319]

約数ペア:

[(1, 81169319), (7, 11595617), (11, 7379029), (77, 1054147), (197, 412027), (1379, 58861), (2167, 37457), (5351, 15169)]