When the younger sister calculated the division with a remainder, she mistakenly regarded the dividend 472 as 427, and the resulting quotient was 5 smaller than the original one, and the remainder did not change. What is the divisor of this question?
小妹在计算有余数的除法时，把被除数472错看成427，结果商比原来小5，恰巧余数没变．则这道题的除数是多少．
<gadget id="calculator">472 - 427</gadget>
<output>45</output>

<gadget id="calculator">45 / 5</gadget>
<output>9</output>

<result>9</result>