A certain natural number has 12 divisors, and the sum of all its divisors is 195. What is this number?
某个自然数有12个约数，并且它的所有的约数的和为195，问这个数是多少？
<gadget id="calculator">2 ** 3</gadget>
<output>8</output>

<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">8 * 9</gadget>
<output>72</output>

<result>72</result>