18528075

素因数分解:

$3^3\times 5^2\times {\mathrm{27449}}^1$

素因数の和:27468

約数の個数: 24

約数和(自身を含む): 34038000

約数和(自身を除く): 15509925

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 27449, 82347, 137245, 247041, 411735, 686225, 741123, 1235205, 2058675, 3705615, 6176025, 18528075]

約数ペア:

[(1, 18528075), (3, 6176025), (5, 3705615), (9, 2058675), (15, 1235205), (25, 741123), (27, 686225), (45, 411735), (75, 247041), (135, 137245), (225, 82347), (675, 27449)]