2821275

素因数分解:

$3^2\times 5^2\times {\mathrm{12539}}^1$

素因数の和:12555

約数の個数: 18

約数和(自身を含む): 5053620

約数和(自身を除く): 2232345

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 12539, 37617, 62695, 112851, 188085, 313475, 564255, 940425, 2821275]

約数ペア:

[(1, 2821275), (3, 940425), (5, 564255), (9, 313475), (15, 188085), (25, 112851), (45, 62695), (75, 37617), (225, 12539)]