233993487

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:740

約数の個数: 64

約数和(自身を含む): 406224896

約数和(自身を除く): 172231409

約数列:

[1, 3, 7, 13, 21, 31, 39, 43, 91, 93, 129, 217, 273, 301, 403, 559, 643, 651, 903, 1209, 1333, 1677, 1929, 2821, 3913, 3999, 4501, 8359, 8463, 9331, 11739, 13503, 17329, 19933, 25077, 27649, 27993, 51987, 58513, 59799, 82947, 121303, 139531, 175539, 193543, 259129, 359437, 363909, 418593, 580629, 777387, 857119, 1078311, 1813903, 2516059, 2571357, 5441709, 5999833, 7548177, 11142547, 17999499, 33427641, 77997829, 233993487]

約数ペア:

[(1, 233993487), (3, 77997829), (7, 33427641), (13, 17999499), (21, 11142547), (31, 7548177), (39, 5999833), (43, 5441709), (91, 2571357), (93, 2516059), (129, 1813903), (217, 1078311), (273, 857119), (301, 777387), (403, 580629), (559, 418593), (643, 363909), (651, 359437), (903, 259129), (1209, 193543), (1333, 175539), (1677, 139531), (1929, 121303), (2821, 82947), (3913, 59799), (3999, 58513), (4501, 51987), (8359, 27993), (8463, 27649), (9331, 25077), (11739, 19933), (13503, 17329)]