28027431

素因数分解:

$3^3\times {\mathrm{787}}^1\times {\mathrm{1319}}^1$

素因数の和:2115

約数の個数: 16

約数和(自身を含む): 41606400

約数和(自身を除く): 13578969

約数列:

[1, 3, 9, 27, 787, 1319, 2361, 3957, 7083, 11871, 21249, 35613, 1038053, 3114159, 9342477, 28027431]

約数ペア:

[(1, 28027431), (3, 9342477), (9, 3114159), (27, 1038053), (787, 35613), (1319, 21249), (2361, 11871), (3957, 7083)]