87966891

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{331}}^1$

素因数の和:553

約数の個数: 40

約数和(自身を含む): 140280624

約数和(自身を除く): 52313733

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 193, 331, 459, 579, 993, 1377, 1737, 2979, 3281, 5211, 5627, 8937, 9843, 15633, 16881, 26811, 29529, 50643, 63883, 88587, 151929, 191649, 265761, 455787, 574947, 1086011, 1724841, 3258033, 5174523, 9774099, 29322297, 87966891]

約数ペア:

[(1, 87966891), (3, 29322297), (9, 9774099), (17, 5174523), (27, 3258033), (51, 1724841), (81, 1086011), (153, 574947), (193, 455787), (331, 265761), (459, 191649), (579, 151929), (993, 88587), (1377, 63883), (1737, 50643), (2979, 29529), (3281, 26811), (5211, 16881), (5627, 15633), (8937, 9843)]