206189991

素因数分解:

$3^2\times 7^3\times {\mathrm{17}}^1\times {\mathrm{3929}}^1$

素因数の和:3973

約数の個数: 48

約数和(自身を含む): 367848000

約数和(自身を除く): 161658009

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 343, 357, 441, 833, 1029, 1071, 2499, 3087, 3929, 5831, 7497, 11787, 17493, 27503, 35361, 52479, 66793, 82509, 192521, 200379, 247527, 467551, 577563, 601137, 1347647, 1402653, 1732689, 3272857, 4042941, 4207959, 9818571, 12128823, 22909999, 29455713, 68729997, 206189991]

約数ペア:

[(1, 206189991), (3, 68729997), (7, 29455713), (9, 22909999), (17, 12128823), (21, 9818571), (49, 4207959), (51, 4042941), (63, 3272857), (119, 1732689), (147, 1402653), (153, 1347647), (343, 601137), (357, 577563), (441, 467551), (833, 247527), (1029, 200379), (1071, 192521), (2499, 82509), (3087, 66793), (3929, 52479), (5831, 35361), (7497, 27503), (11787, 17493)]