26989281

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 46126080

約数和(自身を除く): 19136799

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 81, 99, 207, 243, 253, 297, 439, 621, 759, 891, 1317, 1863, 2277, 2673, 3951, 4829, 5589, 6831, 10097, 11853, 14487, 20493, 30291, 35559, 43461, 61479, 90873, 106677, 111067, 130383, 272619, 333201, 391149, 817857, 999603, 1173447, 2453571, 2998809, 8996427, 26989281]

約数ペア:

[(1, 26989281), (3, 8996427), (9, 2998809), (11, 2453571), (23, 1173447), (27, 999603), (33, 817857), (69, 391149), (81, 333201), (99, 272619), (207, 130383), (243, 111067), (253, 106677), (297, 90873), (439, 61479), (621, 43461), (759, 35559), (891, 30291), (1317, 20493), (1863, 14487), (2277, 11853), (2673, 10097), (3951, 6831), (4829, 5589)]