12978945

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{41203}}^1$

素因数の和:41221

約数の個数: 24

約数和(自身を含む): 25711296

約数和(自身を除く): 12732351

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 41203, 123609, 206015, 288421, 370827, 618045, 865263, 1442105, 1854135, 2595789, 4326315, 12978945]

約数ペア:

[(1, 12978945), (3, 4326315), (5, 2595789), (7, 1854135), (9, 1442105), (15, 865263), (21, 618045), (35, 370827), (45, 288421), (63, 206015), (105, 123609), (315, 41203)]