66908079

素因数分解:

$3^3\times 7^2\times {\mathrm{103}}^1\times {\mathrm{491}}^1$

素因数の和:617

約数の個数: 48

約数和(自身を含む): 116663040

約数和(自身を除く): 49754961

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 103, 147, 189, 309, 441, 491, 721, 927, 1323, 1473, 2163, 2781, 3437, 4419, 5047, 6489, 10311, 13257, 15141, 19467, 24059, 30933, 45423, 50573, 72177, 92799, 136269, 151719, 216531, 354011, 455157, 649593, 1062033, 1365471, 2478077, 3186099, 7434231, 9558297, 22302693, 66908079]

約数ペア:

[(1, 66908079), (3, 22302693), (7, 9558297), (9, 7434231), (21, 3186099), (27, 2478077), (49, 1365471), (63, 1062033), (103, 649593), (147, 455157), (189, 354011), (309, 216531), (441, 151719), (491, 136269), (721, 92799), (927, 72177), (1323, 50573), (1473, 45423), (2163, 30933), (2781, 24059), (3437, 19467), (4419, 15141), (5047, 13257), (6489, 10311)]