81485784

素因数分解:

$2^3\times 3^3\times {\mathrm{109}}^1\times {\mathrm{3461}}^1$

素因数の和:3585

約数の個数: 64

約数和(自身を含む): 228492000

約数和(自身を除く): 147006216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 109, 216, 218, 327, 436, 654, 872, 981, 1308, 1962, 2616, 2943, 3461, 3924, 5886, 6922, 7848, 10383, 11772, 13844, 20766, 23544, 27688, 31149, 41532, 62298, 83064, 93447, 124596, 186894, 249192, 373788, 377249, 747576, 754498, 1131747, 1508996, 2263494, 3017992, 3395241, 4526988, 6790482, 9053976, 10185723, 13580964, 20371446, 27161928, 40742892, 81485784]

約数ペア:

[(1, 81485784), (2, 40742892), (3, 27161928), (4, 20371446), (6, 13580964), (8, 10185723), (9, 9053976), (12, 6790482), (18, 4526988), (24, 3395241), (27, 3017992), (36, 2263494), (54, 1508996), (72, 1131747), (108, 754498), (109, 747576), (216, 377249), (218, 373788), (327, 249192), (436, 186894), (654, 124596), (872, 93447), (981, 83064), (1308, 62298), (1962, 41532), (2616, 31149), (2943, 27688), (3461, 23544), (3924, 20766), (5886, 13844), (6922, 11772), (7848, 10383)]