287094773

素因数分解:

$7^4\times {\mathrm{109}}^1\times {\mathrm{1097}}^1$

素因数の和:1234

約数の個数: 20

約数和(自身を含む): 338304780

約数和(自身を除く): 51210007

約数列:

[1, 7, 49, 109, 343, 763, 1097, 2401, 5341, 7679, 37387, 53753, 119573, 261709, 376271, 837011, 2633897, 5859077, 41013539, 287094773]

約数ペア:

[(1, 287094773), (7, 41013539), (49, 5859077), (109, 2633897), (343, 837011), (763, 376271), (1097, 261709), (2401, 119573), (5341, 53753), (7679, 37387)]