27781479

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:388

約数の個数: 36

約数和(自身を含む): 44732688

約数和(自身を除く): 16951209

約数列:

[1, 3, 9, 11, 33, 97, 99, 121, 263, 291, 363, 789, 873, 1067, 1089, 2367, 2893, 3201, 8679, 9603, 11737, 25511, 26037, 31823, 35211, 76533, 95469, 105633, 229599, 280621, 286407, 841863, 2525589, 3086831, 9260493, 27781479]

約数ペア:

[(1, 27781479), (3, 9260493), (9, 3086831), (11, 2525589), (33, 841863), (97, 286407), (99, 280621), (121, 229599), (263, 105633), (291, 95469), (363, 76533), (789, 35211), (873, 31823), (1067, 26037), (1089, 25511), (2367, 11737), (2893, 9603), (3201, 8679)]