25087239

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{16301}}^1$

素因数の和:16332

約数の個数: 20

約数和(自身を含む): 39450840

約数和(自身を除く): 14363601

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 16301, 48903, 146709, 309719, 440127, 929157, 1320381, 2787471, 8362413, 25087239]

約数ペア:

[(1, 25087239), (3, 8362413), (9, 2787471), (19, 1320381), (27, 929157), (57, 440127), (81, 309719), (171, 146709), (513, 48903), (1539, 16301)]