28460421

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4049}}^1$

素因数の和:4137

約数の個数: 24

約数和(自身を含む): 45489600

約数和(自身を除く): 17029179

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 4049, 7029, 12147, 36441, 44539, 133617, 287479, 400851, 862437, 2587311, 3162269, 9486807, 28460421]

約数ペア:

[(1, 28460421), (3, 9486807), (9, 3162269), (11, 2587311), (33, 862437), (71, 400851), (99, 287479), (213, 133617), (639, 44539), (781, 36441), (2343, 12147), (4049, 7029)]