28028943

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{28057}}^1$

素因数の和:28103

約数の個数: 16

約数和(自身を含む): 42648160

約数和(自身を除く): 14619217

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 28057, 84171, 252513, 757539, 1038109, 3114327, 9342981, 28028943]

約数ペア:

[(1, 28028943), (3, 9342981), (9, 3114327), (27, 1038109), (37, 757539), (111, 252513), (333, 84171), (999, 28057)]