28013715

素因数分解:

$3^3\times 5^1\times {\mathrm{207509}}^1$

素因数の和:207523

約数の個数: 16

約数和(自身を含む): 49802400

約数和(自身を除く): 21788685

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 207509, 622527, 1037545, 1867581, 3112635, 5602743, 9337905, 28013715]

約数ペア:

[(1, 28013715), (3, 9337905), (5, 5602743), (9, 3112635), (15, 1867581), (27, 1037545), (45, 622527), (135, 207509)]