25777287

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{509}}^1$

素因数の和:863

約数の個数: 24

約数和(自身を含む): 39620880

約数和(自身を除く): 13843593

約数列:

[1, 3, 9, 17, 51, 153, 331, 509, 993, 1527, 2979, 4581, 5627, 8653, 16881, 25959, 50643, 77877, 168479, 505437, 1516311, 2864143, 8592429, 25777287]

約数ペア:

[(1, 25777287), (3, 8592429), (9, 2864143), (17, 1516311), (51, 505437), (153, 168479), (331, 77877), (509, 50643), (993, 25959), (1527, 16881), (2979, 8653), (4581, 5627)]