207923205

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{1980221}}^1$

素因数の和:1980236

約数の個数: 16

約数和(自身を含む): 380202624

約数和(自身を除く): 172279419

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 1980221, 5940663, 9901105, 13861547, 29703315, 41584641, 69307735, 207923205]

約数ペア:

[(1, 207923205), (3, 69307735), (5, 41584641), (7, 29703315), (15, 13861547), (21, 9901105), (35, 5940663), (105, 1980221)]