27540891

素因数分解:

$3^7\times 7^2\times {\mathrm{257}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 48235680

約数和(自身を除く): 20694789

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 257, 441, 567, 729, 771, 1323, 1701, 1799, 2187, 2313, 3969, 5103, 5397, 6939, 11907, 12593, 15309, 16191, 20817, 35721, 37779, 48573, 62451, 107163, 113337, 145719, 187353, 340011, 437157, 562059, 1020033, 1311471, 3060099, 3934413, 9180297, 27540891]

約数ペア:

[(1, 27540891), (3, 9180297), (7, 3934413), (9, 3060099), (21, 1311471), (27, 1020033), (49, 562059), (63, 437157), (81, 340011), (147, 187353), (189, 145719), (243, 113337), (257, 107163), (441, 62451), (567, 48573), (729, 37779), (771, 35721), (1323, 20817), (1701, 16191), (1799, 15309), (2187, 12593), (2313, 11907), (3969, 6939), (5103, 5397)]