78690717

素因数分解:

$3^3\times 7^3\times {\mathrm{29}}^1\times {\mathrm{293}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 141120000

約数和(自身を除く): 62429283

約数列:

[1, 3, 7, 9, 21, 27, 29, 49, 63, 87, 147, 189, 203, 261, 293, 343, 441, 609, 783, 879, 1029, 1323, 1421, 1827, 2051, 2637, 3087, 4263, 5481, 6153, 7911, 8497, 9261, 9947, 12789, 14357, 18459, 25491, 29841, 38367, 43071, 55377, 59479, 76473, 89523, 100499, 129213, 178437, 229419, 268569, 301497, 387639, 416353, 535311, 904491, 1249059, 1605933, 2713473, 2914471, 3747177, 8743413, 11241531, 26230239, 78690717]

約数ペア:

[(1, 78690717), (3, 26230239), (7, 11241531), (9, 8743413), (21, 3747177), (27, 2914471), (29, 2713473), (49, 1605933), (63, 1249059), (87, 904491), (147, 535311), (189, 416353), (203, 387639), (261, 301497), (293, 268569), (343, 229419), (441, 178437), (609, 129213), (783, 100499), (879, 89523), (1029, 76473), (1323, 59479), (1421, 55377), (1827, 43071), (2051, 38367), (2637, 29841), (3087, 25491), (4263, 18459), (5481, 14357), (6153, 12789), (7911, 9947), (8497, 9261)]