27789267

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:144

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 18659373

約数列:

[1, 3, 11, 19, 23, 33, 41, 47, 57, 69, 123, 141, 209, 253, 437, 451, 517, 627, 759, 779, 893, 943, 1081, 1311, 1353, 1551, 1927, 2337, 2679, 2829, 3243, 4807, 5781, 8569, 9823, 10373, 11891, 14421, 17917, 20539, 21197, 25707, 29469, 31119, 35673, 36613, 44321, 53751, 61617, 63591, 109839, 132963, 197087, 225929, 402743, 487531, 591261, 677787, 842099, 1208229, 1462593, 2526297, 9263089, 27789267]

約数ペア:

[(1, 27789267), (3, 9263089), (11, 2526297), (19, 1462593), (23, 1208229), (33, 842099), (41, 677787), (47, 591261), (57, 487531), (69, 402743), (123, 225929), (141, 197087), (209, 132963), (253, 109839), (437, 63591), (451, 61617), (517, 53751), (627, 44321), (759, 36613), (779, 35673), (893, 31119), (943, 29469), (1081, 25707), (1311, 21197), (1353, 20539), (1551, 17917), (1927, 14421), (2337, 11891), (2679, 10373), (2829, 9823), (3243, 8569), (4807, 5781)]