28212122043

素因数分解:

$3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{16547}}^1$

素因数の和:16694

約数の個数: 80

約数和(自身を含む): 50233903104

約数和(自身を除く): 22021781061

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 97, 189, 217, 279, 291, 567, 651, 679, 837, 873, 1953, 2037, 2511, 2619, 3007, 5859, 6111, 7857, 9021, 16547, 17577, 18333, 21049, 27063, 49641, 54999, 63147, 81189, 115829, 148923, 189441, 243567, 347487, 446769, 512957, 568323, 1042461, 1340307, 1538871, 1605059, 1704969, 3127383, 3590699, 4616613, 4815177, 9382149, 10772097, 11235413, 13849839, 14445531, 32316291, 33706239, 41549517, 43336593, 49756829, 96948873, 101118717, 130009779, 149270487, 290846619, 303356151, 348297803, 447811461, 910068453, 1044893409, 1343434383, 3134680227, 4030303149, 9404040681, 28212122043]

約数ペア:

[(1, 28212122043), (3, 9404040681), (7, 4030303149), (9, 3134680227), (21, 1343434383), (27, 1044893409), (31, 910068453), (63, 447811461), (81, 348297803), (93, 303356151), (97, 290846619), (189, 149270487), (217, 130009779), (279, 101118717), (291, 96948873), (567, 49756829), (651, 43336593), (679, 41549517), (837, 33706239), (873, 32316291), (1953, 14445531), (2037, 13849839), (2511, 11235413), (2619, 10772097), (3007, 9382149), (5859, 4815177), (6111, 4616613), (7857, 3590699), (9021, 3127383), (16547, 1704969), (17577, 1605059), (18333, 1538871), (21049, 1340307), (27063, 1042461), (49641, 568323), (54999, 512957), (63147, 446769), (81189, 347487), (115829, 243567), (148923, 189441)]