181007157357

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{515689907}}^1$

素因数の和:515689929

約数の個数: 16

約数和(自身を含む): 288786348480

約数和(自身を除く): 107779191123

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 515689907, 1547069721, 4641209163, 6703968791, 13923627489, 20111906373, 60335719119, 181007157357]

約数ペア:

[(1, 181007157357), (3, 60335719119), (9, 20111906373), (13, 13923627489), (27, 6703968791), (39, 4641209163), (117, 1547069721), (351, 515689907)]