81984315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{780803}}^1$

素因数の和:780818

約数の個数: 16

約数和(自身を含む): 149914368

約数和(自身を除く): 67930053

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 780803, 2342409, 3904015, 5465621, 11712045, 16396863, 27328105, 81984315]

約数ペア:

[(1, 81984315), (3, 27328105), (5, 16396863), (7, 11712045), (15, 5465621), (21, 3904015), (35, 2342409), (105, 780803)]