2. 外语
  3. k is an integer greater than 1. Column A Column B The number of positive divisors of

k is an integer greater than 1. Column A Column B The number of positive divisors of

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问题 k is an integer greater than 1.

Column A                                            Column B
The number of positive divisors of 3k                k+1
选项 A、if the quantity in Column A is greater
B、if the quantity in Column B is greater
C、if the two quantity are equal
D、if the relationship cannot be determined from the information given
答案C
解析 k是比1大的整数。3的k次方的正因子(positive divisor)个数与（k+1）的比较。
解：本题的正确答案为(C)。根据因子数的求解法则可知，3的k次方的不同正因子个数为k+1个。
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本试题收录于： GRE QUANTITATIVE题库GRE分类
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