28318545

素因数分解:

$3^3\times 5^1\times {\mathrm{209767}}^1$

素因数の和:209781

約数の個数: 16

約数和(自身を含む): 50344320

約数和(自身を除く): 22025775

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 209767, 629301, 1048835, 1887903, 3146505, 5663709, 9439515, 28318545]

約数ペア:

[(1, 28318545), (3, 9439515), (5, 5663709), (9, 3146505), (15, 1887903), (27, 1048835), (45, 629301), (135, 209767)]