26857845

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:411

約数の個数: 64

約数和(自身を含む): 55319040

約数和(自身を除く): 28461195

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 97, 105, 135, 189, 291, 293, 315, 485, 679, 873, 879, 945, 1455, 1465, 2037, 2051, 2619, 2637, 3395, 4365, 4395, 6111, 6153, 7911, 10185, 10255, 13095, 13185, 18333, 18459, 28421, 30555, 30765, 39555, 55377, 85263, 91665, 92295, 142105, 198947, 255789, 276885, 426315, 596841, 767367, 994735, 1278945, 1790523, 2984205, 3836835, 5371569, 8952615, 26857845]

約数ペア:

[(1, 26857845), (3, 8952615), (5, 5371569), (7, 3836835), (9, 2984205), (15, 1790523), (21, 1278945), (27, 994735), (35, 767367), (45, 596841), (63, 426315), (97, 276885), (105, 255789), (135, 198947), (189, 142105), (291, 92295), (293, 91665), (315, 85263), (485, 55377), (679, 39555), (873, 30765), (879, 30555), (945, 28421), (1455, 18459), (1465, 18333), (2037, 13185), (2051, 13095), (2619, 10255), (2637, 10185), (3395, 7911), (4365, 6153), (4395, 6111)]