28371945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{270209}}^1$

素因数の和:270224

約数の個数: 16

約数和(自身を含む): 51880320

約数和(自身を除く): 23508375

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 270209, 810627, 1351045, 1891463, 4053135, 5674389, 9457315, 28371945]

約数ペア:

[(1, 28371945), (3, 9457315), (5, 5674389), (7, 4053135), (15, 1891463), (21, 1351045), (35, 810627), (105, 270209)]