16988049

素因数分解:

$3^4\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1$

素因数の和:128

約数の個数: 60

約数和(自身を含む): 29494476

約数和(自身を除く): 12506427

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 73, 81, 117, 153, 169, 219, 221, 351, 459, 507, 657, 663, 949, 1053, 1241, 1377, 1521, 1971, 1989, 2847, 2873, 3723, 4563, 5913, 5967, 8541, 8619, 11169, 12337, 13689, 16133, 17901, 25623, 25857, 33507, 37011, 48399, 76869, 77571, 100521, 111033, 145197, 209729, 232713, 333099, 435591, 629187, 999297, 1306773, 1887561, 5662683, 16988049]

約数ペア:

[(1, 16988049), (3, 5662683), (9, 1887561), (13, 1306773), (17, 999297), (27, 629187), (39, 435591), (51, 333099), (73, 232713), (81, 209729), (117, 145197), (153, 111033), (169, 100521), (219, 77571), (221, 76869), (351, 48399), (459, 37011), (507, 33507), (657, 25857), (663, 25623), (949, 17901), (1053, 16133), (1241, 13689), (1377, 12337), (1521, 11169), (1971, 8619), (1989, 8541), (2847, 5967), (2873, 5913), (3723, 4563)]