25815105

素因数分解:

$3^5\times 5^1\times {\mathrm{21247}}^1$

素因数の和:21267

約数の個数: 24

約数和(自身を含む): 46405632

約数和(自身を除く): 20590527

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 21247, 63741, 106235, 191223, 318705, 573669, 956115, 1721007, 2868345, 5163021, 8605035, 25815105]

約数ペア:

[(1, 25815105), (3, 8605035), (5, 5163021), (9, 2868345), (15, 1721007), (27, 956115), (45, 573669), (81, 318705), (135, 191223), (243, 106235), (405, 63741), (1215, 21247)]