28326465

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{14639}}^1$

素因数の和:14693

約数の個数: 24

約数和(自身を含む): 50244480

約数和(自身を除く): 21918015

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 14639, 43917, 73195, 131751, 219585, 629477, 658755, 1888431, 3147385, 5665293, 9442155, 28326465]

約数ペア:

[(1, 28326465), (3, 9442155), (5, 5665293), (9, 3147385), (15, 1888431), (43, 658755), (45, 629477), (129, 219585), (215, 131751), (387, 73195), (645, 43917), (1935, 14639)]