28402059

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:567

約数の個数: 32

約数和(自身を含む): 45010944

約数和(自身を除く): 16608885

約数列:

[1, 3, 7, 21, 43, 71, 129, 213, 301, 443, 497, 903, 1329, 1491, 3053, 3101, 9159, 9303, 19049, 21371, 31453, 57147, 64113, 94359, 133343, 220171, 400029, 660513, 1352479, 4057437, 9467353, 28402059]

約数ペア:

[(1, 28402059), (3, 9467353), (7, 4057437), (21, 1352479), (43, 660513), (71, 400029), (129, 220171), (213, 133343), (301, 94359), (443, 64113), (497, 57147), (903, 31453), (1329, 21371), (1491, 19049), (3053, 9303), (3101, 9159)]