18722475

素因数分解:

$3^3\times 5^2\times {\mathrm{27737}}^1$

素因数の和:27756

約数の個数: 24

約数和(自身を含む): 34395120

約数和(自身を除く): 15672645

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 27737, 83211, 138685, 249633, 416055, 693425, 748899, 1248165, 2080275, 3744495, 6240825, 18722475]

約数ペア:

[(1, 18722475), (3, 6240825), (5, 3744495), (9, 2080275), (15, 1248165), (25, 748899), (27, 693425), (45, 416055), (75, 249633), (135, 138685), (225, 83211), (675, 27737)]