25776063

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{18719}}^1$

素因数の和:18748

約数の個数: 20

約数和(自身を含む): 40772160

約数和(自身を除く): 14996097

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 18719, 56157, 168471, 318223, 505413, 954669, 1516239, 2864007, 8592021, 25776063]

約数ペア:

[(1, 25776063), (3, 8592021), (9, 2864007), (17, 1516239), (27, 954669), (51, 505413), (81, 318223), (153, 168471), (459, 56157), (1377, 18719)]