25538085

素因数分解:

$3^5\times 5^1\times {\mathrm{21019}}^1$

素因数の和:21039

約数の個数: 24

約数和(自身を含む): 45907680

約数和(自身を除く): 20369595

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 21019, 63057, 105095, 189171, 315285, 567513, 945855, 1702539, 2837565, 5107617, 8512695, 25538085]

約数ペア:

[(1, 25538085), (3, 8512695), (5, 5107617), (9, 2837565), (15, 1702539), (27, 945855), (45, 567513), (81, 315285), (135, 189171), (243, 105095), (405, 63057), (1215, 21019)]