28984473

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:164

約数の個数: 80

約数和(自身を含む): 54641664

約数和(自身を除く): 25657191

約数列:

[1, 3, 7, 9, 17, 21, 27, 31, 51, 63, 81, 93, 97, 119, 153, 189, 217, 279, 291, 357, 459, 527, 567, 651, 679, 837, 873, 1071, 1377, 1581, 1649, 1953, 2037, 2511, 2619, 3007, 3213, 3689, 4743, 4947, 5859, 6111, 7857, 9021, 9639, 11067, 11543, 14229, 14841, 17577, 18333, 21049, 27063, 33201, 34629, 42687, 44523, 51119, 54999, 63147, 81189, 99603, 103887, 133569, 153357, 189441, 243567, 298809, 311661, 357833, 460071, 568323, 934983, 1073499, 1380213, 1704969, 3220497, 4140639, 9661491, 28984473]

約数ペア:

[(1, 28984473), (3, 9661491), (7, 4140639), (9, 3220497), (17, 1704969), (21, 1380213), (27, 1073499), (31, 934983), (51, 568323), (63, 460071), (81, 357833), (93, 311661), (97, 298809), (119, 243567), (153, 189441), (189, 153357), (217, 133569), (279, 103887), (291, 99603), (357, 81189), (459, 63147), (527, 54999), (567, 51119), (651, 44523), (679, 42687), (837, 34629), (873, 33201), (1071, 27063), (1377, 21049), (1581, 18333), (1649, 17577), (1953, 14841), (2037, 14229), (2511, 11543), (2619, 11067), (3007, 9639), (3213, 9021), (3689, 7857), (4743, 6111), (4947, 5859)]