17984673

素因数分解:

$3^5\times 7^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 31391360

約数和(自身を除く): 13406687

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 97, 109, 189, 243, 291, 327, 567, 679, 763, 873, 981, 1701, 2037, 2289, 2619, 2943, 6111, 6867, 7857, 8829, 10573, 18333, 20601, 23571, 26487, 31719, 54999, 61803, 74011, 95157, 164997, 185409, 222033, 285471, 666099, 856413, 1998297, 2569239, 5994891, 17984673]

約数ペア:

[(1, 17984673), (3, 5994891), (7, 2569239), (9, 1998297), (21, 856413), (27, 666099), (63, 285471), (81, 222033), (97, 185409), (109, 164997), (189, 95157), (243, 74011), (291, 61803), (327, 54999), (567, 31719), (679, 26487), (763, 23571), (873, 20601), (981, 18333), (1701, 10573), (2037, 8829), (2289, 7857), (2619, 6867), (2943, 6111)]