25573239

素因数分解:

$3^4\times {\mathrm{239}}^1\times {\mathrm{1321}}^1$

素因数の和:1572

約数の個数: 20

約数和(自身を含む): 38390880

約数和(自身を除く): 12817641

約数列:

[1, 3, 9, 27, 81, 239, 717, 1321, 2151, 3963, 6453, 11889, 19359, 35667, 107001, 315719, 947157, 2841471, 8524413, 25573239]

約数ペア:

[(1, 25573239), (3, 8524413), (9, 2841471), (27, 947157), (81, 315719), (239, 107001), (717, 35667), (1321, 19359), (2151, 11889), (3963, 6453)]