27721098

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:387

約数の個数: 48

約数和(自身を含む): 61776000

約数和(自身を除く): 34054902

約数列:

[1, 2, 3, 6, 9, 18, 71, 109, 142, 199, 213, 218, 327, 398, 426, 597, 639, 654, 981, 1194, 1278, 1791, 1962, 3582, 7739, 14129, 15478, 21691, 23217, 28258, 42387, 43382, 46434, 65073, 69651, 84774, 127161, 130146, 139302, 195219, 254322, 390438, 1540061, 3080122, 4620183, 9240366, 13860549, 27721098]

約数ペア:

[(1, 27721098), (2, 13860549), (3, 9240366), (6, 4620183), (9, 3080122), (18, 1540061), (71, 390438), (109, 254322), (142, 195219), (199, 139302), (213, 130146), (218, 127161), (327, 84774), (398, 69651), (426, 65073), (597, 46434), (639, 43382), (654, 42387), (981, 28258), (1194, 23217), (1278, 21691), (1791, 15478), (1962, 14129), (3582, 7739)]