239136513

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{571}}^1$

素因数の和:643

約数の個数: 64

約数和(自身を含む): 417331200

約数和(自身を除く): 178194687

約数列:

[1, 3, 7, 11, 21, 33, 37, 49, 77, 111, 147, 231, 259, 343, 407, 539, 571, 777, 1029, 1221, 1617, 1713, 1813, 2849, 3773, 3997, 5439, 6281, 8547, 11319, 11991, 12691, 18843, 19943, 21127, 27979, 38073, 43967, 59829, 63381, 83937, 131901, 139601, 147889, 195853, 232397, 307769, 418803, 443667, 587559, 697191, 923307, 1035223, 1626779, 2154383, 3105669, 4880337, 6463149, 7246561, 11387453, 21739683, 34162359, 79712171, 239136513]

約数ペア:

[(1, 239136513), (3, 79712171), (7, 34162359), (11, 21739683), (21, 11387453), (33, 7246561), (37, 6463149), (49, 4880337), (77, 3105669), (111, 2154383), (147, 1626779), (231, 1035223), (259, 923307), (343, 697191), (407, 587559), (539, 443667), (571, 418803), (777, 307769), (1029, 232397), (1221, 195853), (1617, 147889), (1713, 139601), (1813, 131901), (2849, 83937), (3773, 63381), (3997, 59829), (5439, 43967), (6281, 38073), (8547, 27979), (11319, 21127), (11991, 19943), (12691, 18843)]