90503973

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:340

約数の個数: 80

約数和(自身を含む): 168509440

約数和(自身を除く): 78005467

約数列:

[1, 3, 7, 9, 19, 21, 27, 31, 57, 63, 81, 93, 133, 171, 189, 217, 271, 279, 399, 513, 567, 589, 651, 813, 837, 1197, 1539, 1767, 1897, 1953, 2439, 2511, 3591, 4123, 5149, 5301, 5691, 5859, 7317, 8401, 10773, 12369, 15447, 15903, 17073, 17577, 21951, 25203, 36043, 37107, 46341, 47709, 51219, 58807, 75609, 108129, 111321, 139023, 153657, 159619, 176421, 226827, 324387, 333963, 417069, 478857, 529263, 680481, 973161, 1117333, 1436571, 1587789, 2919483, 3351999, 4309713, 4763367, 10055997, 12929139, 30167991, 90503973]

約数ペア:

[(1, 90503973), (3, 30167991), (7, 12929139), (9, 10055997), (19, 4763367), (21, 4309713), (27, 3351999), (31, 2919483), (57, 1587789), (63, 1436571), (81, 1117333), (93, 973161), (133, 680481), (171, 529263), (189, 478857), (217, 417069), (271, 333963), (279, 324387), (399, 226827), (513, 176421), (567, 159619), (589, 153657), (651, 139023), (813, 111321), (837, 108129), (1197, 75609), (1539, 58807), (1767, 51219), (1897, 47709), (1953, 46341), (2439, 37107), (2511, 36043), (3591, 25203), (4123, 21951), (5149, 17577), (5301, 17073), (5691, 15903), (5859, 15447), (7317, 12369), (8401, 10773)]