162040275

素因数分解:

$3^2\times 5^2\times {\mathrm{720179}}^1$

素因数の和:720195

約数の個数: 18

約数和(自身を含む): 290232540

約数和(自身を除く): 128192265

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 720179, 2160537, 3600895, 6481611, 10802685, 18004475, 32408055, 54013425, 162040275]

約数ペア:

[(1, 162040275), (3, 54013425), (5, 32408055), (9, 18004475), (15, 10802685), (25, 6481611), (45, 3600895), (75, 2160537), (225, 720179)]