40637709

素因数分解:

$3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2143}}^1$

素因数の和:2206

約数の個数: 36

約数和(自身を含む): 69902976

約数和(自身を除く): 29265267

約数列:

[1, 3, 7, 9, 21, 43, 49, 63, 129, 147, 301, 387, 441, 903, 2107, 2143, 2709, 6321, 6429, 15001, 18963, 19287, 45003, 92149, 105007, 135009, 276447, 315021, 645043, 829341, 945063, 1935129, 4515301, 5805387, 13545903, 40637709]

約数ペア:

[(1, 40637709), (3, 13545903), (7, 5805387), (9, 4515301), (21, 1935129), (43, 945063), (49, 829341), (63, 645043), (129, 315021), (147, 276447), (301, 135009), (387, 105007), (441, 92149), (903, 45003), (2107, 19287), (2143, 18963), (2709, 15001), (6321, 6429)]