28318209

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 42134400

約数和(自身を除く): 13816191

約数列:

[1, 3, 17, 37, 43, 51, 111, 129, 349, 629, 731, 1047, 1591, 1887, 2193, 4773, 5933, 12913, 15007, 17799, 27047, 38739, 45021, 81141, 219521, 255119, 555259, 658563, 765357, 1665777, 9439403, 28318209]

約数ペア:

[(1, 28318209), (3, 9439403), (17, 1665777), (37, 765357), (43, 658563), (51, 555259), (111, 255119), (129, 219521), (349, 81141), (629, 45021), (731, 38739), (1047, 27047), (1591, 17799), (1887, 15007), (2193, 12913), (4773, 5933)]