8742489

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21911}}^1$

素因数の和:21940

約数の個数: 16

約数和(自身を含む): 14023680

約数和(自身を除く): 5281191

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 21911, 65733, 153377, 416309, 460131, 1248927, 2914163, 8742489]

約数ペア:

[(1, 8742489), (3, 2914163), (7, 1248927), (19, 460131), (21, 416309), (57, 153377), (133, 65733), (399, 21911)]