18983025

素因数分解:

$3^3\times 5^2\times {\mathrm{28123}}^1$

素因数の和:28142

約数の個数: 24

約数和(自身を含む): 34873760

約数和(自身を除く): 15890735

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 28123, 84369, 140615, 253107, 421845, 703075, 759321, 1265535, 2109225, 3796605, 6327675, 18983025]

約数ペア:

[(1, 18983025), (3, 6327675), (5, 3796605), (9, 2109225), (15, 1265535), (25, 759321), (27, 703075), (45, 421845), (75, 253107), (135, 140615), (225, 84369), (675, 28123)]