72177021

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 128450560

約数和(自身を除く): 56273539

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 97, 127, 189, 217, 279, 291, 381, 651, 679, 837, 873, 889, 1143, 1953, 2037, 2619, 2667, 3007, 3429, 3937, 5859, 6111, 8001, 9021, 11811, 12319, 18333, 21049, 24003, 27063, 27559, 35433, 36957, 63147, 81189, 82677, 86233, 106299, 110871, 189441, 248031, 258699, 332613, 381889, 568323, 744093, 776097, 1145667, 2328291, 2673223, 3437001, 8019669, 10311003, 24059007, 72177021]

約数ペア:

[(1, 72177021), (3, 24059007), (7, 10311003), (9, 8019669), (21, 3437001), (27, 2673223), (31, 2328291), (63, 1145667), (93, 776097), (97, 744093), (127, 568323), (189, 381889), (217, 332613), (279, 258699), (291, 248031), (381, 189441), (651, 110871), (679, 106299), (837, 86233), (873, 82677), (889, 81189), (1143, 63147), (1953, 36957), (2037, 35433), (2619, 27559), (2667, 27063), (3007, 24003), (3429, 21049), (3937, 18333), (5859, 12319), (6111, 11811), (8001, 9021)]