55721043

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{277}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 96219136

約数和(自身を除く): 40498093

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 103, 217, 277, 279, 309, 651, 721, 831, 927, 1939, 1953, 2163, 2493, 3193, 5817, 6489, 8587, 9579, 17451, 22351, 25761, 28531, 28737, 60109, 67053, 77283, 85593, 180327, 199717, 201159, 256779, 540981, 599151, 884461, 1797453, 2653383, 6191227, 7960149, 18573681, 55721043]

約数ペア:

[(1, 55721043), (3, 18573681), (7, 7960149), (9, 6191227), (21, 2653383), (31, 1797453), (63, 884461), (93, 599151), (103, 540981), (217, 256779), (277, 201159), (279, 199717), (309, 180327), (651, 85593), (721, 77283), (831, 67053), (927, 60109), (1939, 28737), (1953, 28531), (2163, 25761), (2493, 22351), (3193, 17451), (5817, 9579), (6489, 8587)]