25542945

素因数分解:

$3^5\times 5^1\times {\mathrm{21023}}^1$

素因数の和:21043

約数の個数: 24

約数和(自身を含む): 45916416

約数和(自身を除く): 20373471

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 21023, 63069, 105115, 189207, 315345, 567621, 946035, 1702863, 2838105, 5108589, 8514315, 25542945]

約数ペア:

[(1, 25542945), (3, 8514315), (5, 5108589), (9, 2838105), (15, 1702863), (27, 946035), (45, 567621), (81, 315345), (135, 189207), (243, 105115), (405, 63069), (1215, 21023)]