81852330

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{389773}}^1$

素因数の和:389790

約数の個数: 32

約数和(自身を含む): 224509824

約数和(自身を除く): 142657494

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 389773, 779546, 1169319, 1948865, 2338638, 2728411, 3897730, 5456822, 5846595, 8185233, 11693190, 13642055, 16370466, 27284110, 40926165, 81852330]

約数ペア:

[(1, 81852330), (2, 40926165), (3, 27284110), (5, 16370466), (6, 13642055), (7, 11693190), (10, 8185233), (14, 5846595), (15, 5456822), (21, 3897730), (30, 2728411), (35, 2338638), (42, 1948865), (70, 1169319), (105, 779546), (210, 389773)]