681523557

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:323

約数の個数: 96

約数和(自身を含む): 1188311040

約数和(自身を除く): 506787483

約数列:

[1, 3, 11, 13, 17, 23, 33, 39, 51, 69, 143, 187, 221, 239, 253, 289, 299, 391, 429, 561, 663, 717, 759, 867, 897, 1173, 2431, 2629, 3107, 3179, 3289, 3757, 4063, 4301, 5083, 5497, 6647, 7293, 7887, 9321, 9537, 9867, 11271, 12189, 12903, 15249, 16491, 19941, 34177, 41327, 44693, 52819, 55913, 60467, 69071, 71461, 73117, 86411, 93449, 102531, 123981, 134079, 158457, 167739, 181401, 207213, 214383, 219351, 259233, 280347, 581009, 759781, 786071, 897923, 950521, 1027939, 1214837, 1588633, 1743027, 2279343, 2358213, 2693769, 2851563, 3083817, 3644511, 4765899, 9877153, 13363207, 17474963, 20652229, 29631459, 40089621, 52424889, 61956687, 227174519, 681523557]

約数ペア:

[(1, 681523557), (3, 227174519), (11, 61956687), (13, 52424889), (17, 40089621), (23, 29631459), (33, 20652229), (39, 17474963), (51, 13363207), (69, 9877153), (143, 4765899), (187, 3644511), (221, 3083817), (239, 2851563), (253, 2693769), (289, 2358213), (299, 2279343), (391, 1743027), (429, 1588633), (561, 1214837), (663, 1027939), (717, 950521), (759, 897923), (867, 786071), (897, 759781), (1173, 581009), (2431, 280347), (2629, 259233), (3107, 219351), (3179, 214383), (3289, 207213), (3757, 181401), (4063, 167739), (4301, 158457), (5083, 134079), (5497, 123981), (6647, 102531), (7293, 93449), (7887, 86411), (9321, 73117), (9537, 71461), (9867, 69071), (11271, 60467), (12189, 55913), (12903, 52819), (15249, 44693), (16491, 41327), (19941, 34177)]