16757559

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 31536960

約数和(自身を除く): 14779401

約数列:

[1, 3, 7, 9, 13, 21, 37, 39, 49, 63, 79, 91, 111, 117, 147, 237, 259, 273, 333, 441, 481, 553, 637, 711, 777, 819, 1027, 1443, 1659, 1813, 1911, 2331, 2923, 3081, 3367, 3871, 4329, 4977, 5439, 5733, 7189, 8769, 9243, 10101, 11613, 16317, 20461, 21567, 23569, 26307, 30303, 34839, 37999, 50323, 61383, 64701, 70707, 113997, 143227, 150969, 184149, 212121, 265993, 341991, 429681, 452907, 797979, 1289043, 1861951, 2393937, 5585853, 16757559]

約数ペア:

[(1, 16757559), (3, 5585853), (7, 2393937), (9, 1861951), (13, 1289043), (21, 797979), (37, 452907), (39, 429681), (49, 341991), (63, 265993), (79, 212121), (91, 184149), (111, 150969), (117, 143227), (147, 113997), (237, 70707), (259, 64701), (273, 61383), (333, 50323), (441, 37999), (481, 34839), (553, 30303), (637, 26307), (711, 23569), (777, 21567), (819, 20461), (1027, 16317), (1443, 11613), (1659, 10101), (1813, 9243), (1911, 8769), (2331, 7189), (2923, 5733), (3081, 5439), (3367, 4977), (3871, 4329)]