整数a（a>0）的(r/[9m1a5\5R2p2f:^8W,q4`0C5n8q
最小因数是-b+T:K(r/[9m1a5\5R2p2f:^8W,q4`0C5n8q
最大因数是(g;v6K;@8i5h)u*r5U(r/[9m1a5\5R2p2f:^8W,q4`0C5n8q
最小倍数是3[.p-d;|,b-i(r/[9m1a5\5R2p2f:^8W,q4`0C5n8q
A．1(r/[9m1a5\5R2p2f:^8W,q4`0C5n8q
B．a(r/[9m1a5\5R2p2f:^8W,q4`0C5n8q
C．2a(r/[9m1a5\5R2p2f:^8W,q4`0C5n8q
D．1a(r/[9m1a5\5R2p2f:^8W,q4`0C5n8q