128236437

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{28669}}^1$

素因数の和:28753

約数の個数: 24

約数和(自身を含む): 214680960

約数和(自身を除く): 86444523

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 28669, 86007, 200683, 258021, 602049, 1806147, 2035499, 6106497, 14248493, 18319491, 42745479, 128236437]

約数ペア:

[(1, 128236437), (3, 42745479), (7, 18319491), (9, 14248493), (21, 6106497), (63, 2035499), (71, 1806147), (213, 602049), (497, 258021), (639, 200683), (1491, 86007), (4473, 28669)]