27749709

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1$

素因数の和:136

約数の個数: 60

約数和(自身を含む): 47760636

約数和(自身を除く): 20010927

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 73, 81, 117, 171, 219, 247, 351, 361, 513, 657, 741, 949, 1053, 1083, 1387, 1539, 1971, 2223, 2847, 3249, 4161, 4693, 5913, 6669, 8541, 9747, 12483, 14079, 18031, 20007, 25623, 26353, 29241, 37449, 42237, 54093, 76869, 79059, 112347, 126711, 162279, 237177, 342589, 380133, 486837, 711531, 1027767, 1460511, 2134593, 3083301, 9249903, 27749709]

約数ペア:

[(1, 27749709), (3, 9249903), (9, 3083301), (13, 2134593), (19, 1460511), (27, 1027767), (39, 711531), (57, 486837), (73, 380133), (81, 342589), (117, 237177), (171, 162279), (219, 126711), (247, 112347), (351, 79059), (361, 76869), (513, 54093), (657, 42237), (741, 37449), (949, 29241), (1053, 26353), (1083, 25623), (1387, 20007), (1539, 18031), (1971, 14079), (2223, 12483), (2847, 9747), (3249, 8541), (4161, 6669), (4693, 5913)]