51879771

素因数分解:

$3^5\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 82188288

約数和(自身を除く): 30308517

約数列:

[1, 3, 9, 27, 31, 71, 81, 93, 97, 213, 243, 279, 291, 639, 837, 873, 1917, 2201, 2511, 2619, 3007, 5751, 6603, 6887, 7533, 7857, 9021, 17253, 19809, 20661, 23571, 27063, 59427, 61983, 81189, 178281, 185949, 213497, 243567, 534843, 557847, 640491, 730701, 1673541, 1921473, 5764419, 17293257, 51879771]

約数ペア:

[(1, 51879771), (3, 17293257), (9, 5764419), (27, 1921473), (31, 1673541), (71, 730701), (81, 640491), (93, 557847), (97, 534843), (213, 243567), (243, 213497), (279, 185949), (291, 178281), (639, 81189), (837, 61983), (873, 59427), (1917, 27063), (2201, 23571), (2511, 20661), (2619, 19809), (3007, 17253), (5751, 9021), (6603, 7857), (6887, 7533)]