13244945

素因数分解:

$5^1\times 7^3\times {\mathrm{7723}}^1$

素因数の和:7749

約数の個数: 16

約数和(自身を含む): 18537600

約数和(自身を除く): 5292655

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 7723, 38615, 54061, 270305, 378427, 1892135, 2648989, 13244945]

約数ペア:

[(1, 13244945), (5, 2648989), (7, 1892135), (35, 378427), (49, 270305), (245, 54061), (343, 38615), (1715, 7723)]