27768429

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{607}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 47803392

約数和(自身を除く): 20034963

約数列:

[1, 3, 9, 13, 17, 23, 39, 51, 69, 117, 153, 207, 221, 299, 391, 607, 663, 897, 1173, 1821, 1989, 2691, 3519, 5083, 5463, 7891, 10319, 13961, 15249, 23673, 30957, 41883, 45747, 71019, 92871, 125649, 134147, 181493, 237337, 402441, 544479, 712011, 1207323, 1633437, 2136033, 3085381, 9256143, 27768429]

約数ペア:

[(1, 27768429), (3, 9256143), (9, 3085381), (13, 2136033), (17, 1633437), (23, 1207323), (39, 712011), (51, 544479), (69, 402441), (117, 237337), (153, 181493), (207, 134147), (221, 125649), (299, 92871), (391, 71019), (607, 45747), (663, 41883), (897, 30957), (1173, 23673), (1821, 15249), (1989, 13961), (2691, 10319), (3519, 7891), (5083, 5463)]