207284553

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:723

約数の個数: 72

約数和(自身を含む): 377945568

約数和(自身を除く): 170661015

約数列:

[1, 3, 7, 9, 17, 21, 43, 49, 51, 63, 119, 129, 147, 153, 301, 357, 387, 441, 643, 731, 833, 903, 1071, 1929, 2107, 2193, 2499, 2709, 4501, 5117, 5787, 6321, 6579, 7497, 10931, 13503, 15351, 18963, 27649, 31507, 32793, 35819, 40509, 46053, 76517, 82947, 94521, 98379, 107457, 193543, 229551, 248841, 283563, 322371, 470033, 535619, 580629, 688653, 1354801, 1410099, 1606857, 1741887, 3290231, 4064403, 4230297, 4820571, 9870693, 12193209, 23031617, 29612079, 69094851, 207284553]

約数ペア:

[(1, 207284553), (3, 69094851), (7, 29612079), (9, 23031617), (17, 12193209), (21, 9870693), (43, 4820571), (49, 4230297), (51, 4064403), (63, 3290231), (119, 1741887), (129, 1606857), (147, 1410099), (153, 1354801), (301, 688653), (357, 580629), (387, 535619), (441, 470033), (643, 322371), (731, 283563), (833, 248841), (903, 229551), (1071, 193543), (1929, 107457), (2107, 98379), (2193, 94521), (2499, 82947), (2709, 76517), (4501, 46053), (5117, 40509), (5787, 35819), (6321, 32793), (6579, 31507), (7497, 27649), (10931, 18963), (13503, 15351)]