28028991

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2\times {\mathrm{163}}^1$

素因数の和:283

約数の個数: 24

約数和(自身を含む): 39737856

約数和(自身を除く): 11708865

約数列:

[1, 3, 31, 43, 93, 129, 163, 489, 1333, 1849, 3999, 5053, 5547, 7009, 15159, 21027, 57319, 171957, 217279, 301387, 651837, 904161, 9342997, 28028991]

約数ペア:

[(1, 28028991), (3, 9342997), (31, 904161), (43, 651837), (93, 301387), (129, 217279), (163, 171957), (489, 57319), (1333, 21027), (1849, 15159), (3999, 7009), (5053, 5547)]