211679811

素因数分解:

$3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12043}}^1$

素因数の和:12093

約数の個数: 40

約数和(自身を含む): 373074944

約数和(自身を除く): 161395133

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 217, 279, 567, 651, 837, 1953, 2511, 5859, 12043, 17577, 36129, 84301, 108387, 252903, 325161, 373333, 758709, 975483, 1119999, 2276127, 2613331, 3359997, 6828381, 7839993, 10079991, 23519979, 30239973, 70559937, 211679811]

約数ペア:

[(1, 211679811), (3, 70559937), (7, 30239973), (9, 23519979), (21, 10079991), (27, 7839993), (31, 6828381), (63, 3359997), (81, 2613331), (93, 2276127), (189, 1119999), (217, 975483), (279, 758709), (567, 373333), (651, 325161), (837, 252903), (1953, 108387), (2511, 84301), (5859, 36129), (12043, 17577)]