15856281

素因数分解:

$3^2\times 7^1\times {\mathrm{293}}^1\times {\mathrm{859}}^1$

素因数の和:1165

約数の個数: 24

約数和(自身を含む): 26295360

約数和(自身を除く): 10439079

約数列:

[1, 3, 7, 9, 21, 63, 293, 859, 879, 2051, 2577, 2637, 6013, 6153, 7731, 18039, 18459, 54117, 251687, 755061, 1761809, 2265183, 5285427, 15856281]

約数ペア:

[(1, 15856281), (3, 5285427), (7, 2265183), (9, 1761809), (21, 755061), (63, 251687), (293, 54117), (859, 18459), (879, 18039), (2051, 7731), (2577, 6153), (2637, 6013)]