The number 315 can be expressed as the product of two integers greater than 1, how many different ways of expression are there (the way of writing the two factors before and after the exchange is counted as the same).
数315可以被表示成大于1的两个整数的乘积，则有多少种不同的表示方法(交换前后两个因数的写法算作同一种)．
<result>5</result>