16564419

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{5527}}^1$

素因数の和:5576

約数の個数: 20

約数和(自身を含む): 25417744

約数和(自身を除く): 8853325

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 5527, 16581, 49743, 149229, 204499, 447687, 613497, 1840491, 5521473, 16564419]

約数ペア:

[(1, 16564419), (3, 5521473), (9, 1840491), (27, 613497), (37, 447687), (81, 204499), (111, 149229), (333, 49743), (999, 16581), (2997, 5527)]