15908319

素因数分解:

$3^4\times 7^1\times {\mathrm{28057}}^1$

素因数の和:28076

約数の個数: 20

約数和(自身を含む): 27160144

約数和(自身を除く): 11251825

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 28057, 84171, 196399, 252513, 589197, 757539, 1767591, 2272617, 5302773, 15908319]

約数ペア:

[(1, 15908319), (3, 5302773), (7, 2272617), (9, 1767591), (21, 757539), (27, 589197), (63, 252513), (81, 196399), (189, 84171), (567, 28057)]