46305 is multiplied by a natural number a, the product is the square of an integer, what is the minimum value of a?
46305乘以一个自然数a，乘积是一个整数的平方，则a的最小值是多少？
<gadget id="calculator">3 * 5 * 7</gadget>
<output>105</output>

<result>105</result>