207901071

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 369907200

約数和(自身を除く): 162006129

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 103, 147, 161, 199, 207, 309, 441, 483, 597, 721, 927, 1127, 1393, 1449, 1791, 2163, 2369, 3381, 4179, 4577, 5047, 6489, 7107, 9751, 10143, 12537, 13731, 15141, 16583, 20497, 21321, 29253, 32039, 41193, 45423, 49749, 61491, 87759, 96117, 116081, 143479, 149247, 184473, 224273, 288351, 348243, 430437, 471431, 672819, 1004353, 1044729, 1291311, 1414293, 2018457, 3013059, 3300017, 4242879, 9039177, 9900051, 23100119, 29700153, 69300357, 207901071]

約数ペア:

[(1, 207901071), (3, 69300357), (7, 29700153), (9, 23100119), (21, 9900051), (23, 9039177), (49, 4242879), (63, 3300017), (69, 3013059), (103, 2018457), (147, 1414293), (161, 1291311), (199, 1044729), (207, 1004353), (309, 672819), (441, 471431), (483, 430437), (597, 348243), (721, 288351), (927, 224273), (1127, 184473), (1393, 149247), (1449, 143479), (1791, 116081), (2163, 96117), (2369, 87759), (3381, 61491), (4179, 49749), (4577, 45423), (5047, 41193), (6489, 32039), (7107, 29253), (9751, 21321), (10143, 20497), (12537, 16583), (13731, 15141)]