What is the value of (1+13)(1+15)(1+17)(1−132)(1−152)(1−172)?\frac{\left(1+\frac13\right)\left(1+\frac15\right)\left(1+\frac17\right)}{\sqrt{\left(1-\frac{1}{3^2}\right)\left(1-\frac{1}{5^2}\right)\left(1-\frac{1}{7^2}\right)}}?(1−321)(1−521)(1−721)(1+31)(1+51)(1+71)?
3\sqrt33
222
15\sqrt{15}15
444
105\sqrt{105}105