505873137

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 862709760

約数和(自身を除く): 356836623

約数列:

[1, 3, 7, 11, 21, 33, 73, 77, 131, 219, 229, 231, 393, 511, 687, 803, 917, 1441, 1533, 1603, 2409, 2519, 2751, 4323, 4809, 5621, 7557, 9563, 10087, 16717, 16863, 17633, 28689, 29999, 30261, 50151, 52899, 66941, 89997, 105193, 117019, 183887, 200823, 209993, 315579, 329989, 351057, 551661, 629979, 736351, 989967, 1287209, 2189927, 2209053, 2309923, 3861627, 6569781, 6929769, 15329489, 24089197, 45988467, 72267591, 168624379, 505873137]

約数ペア:

[(1, 505873137), (3, 168624379), (7, 72267591), (11, 45988467), (21, 24089197), (33, 15329489), (73, 6929769), (77, 6569781), (131, 3861627), (219, 2309923), (229, 2209053), (231, 2189927), (393, 1287209), (511, 989967), (687, 736351), (803, 629979), (917, 551661), (1441, 351057), (1533, 329989), (1603, 315579), (2409, 209993), (2519, 200823), (2751, 183887), (4323, 117019), (4809, 105193), (5621, 89997), (7557, 66941), (9563, 52899), (10087, 50151), (16717, 30261), (16863, 29999), (17633, 28689)]