8987209

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6143}}^1$

素因数の和:6180

約数の個数: 16

約数和(自身を含む): 11796480

約数和(自身を除く): 2809271

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 6143, 43001, 67573, 116717, 473011, 817019, 1283887, 8987209]

約数ペア:

[(1, 8987209), (7, 1283887), (11, 817019), (19, 473011), (77, 116717), (133, 67573), (209, 43001), (1463, 6143)]