2005990119

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1\times {\mathrm{2381}}^1$

素因数の和:2748

約数の個数: 48

約数和(自身を含む): 3400809984

約数和(自身を除く): 1394819865

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 311, 387, 903, 933, 2177, 2381, 2709, 2799, 6531, 7143, 13373, 16667, 19593, 21429, 40119, 50001, 93611, 102383, 120357, 150003, 280833, 307149, 716681, 740491, 842499, 921447, 2150043, 2221473, 5183437, 6450129, 6664419, 15550311, 31841113, 46650933, 95523339, 222887791, 286570017, 668663373, 2005990119]

約数ペア:

[(1, 2005990119), (3, 668663373), (7, 286570017), (9, 222887791), (21, 95523339), (43, 46650933), (63, 31841113), (129, 15550311), (301, 6664419), (311, 6450129), (387, 5183437), (903, 2221473), (933, 2150043), (2177, 921447), (2381, 842499), (2709, 740491), (2799, 716681), (6531, 307149), (7143, 280833), (13373, 150003), (16667, 120357), (19593, 102383), (21429, 93611), (40119, 50001)]