255737727

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1409}}^1$

素因数の和:1532

約数の個数: 48

約数和(自身を含む): 438746880

約数和(自身を除く): 183009153

約数列:

[1, 3, 7, 9, 21, 43, 63, 67, 129, 201, 301, 387, 469, 603, 903, 1407, 1409, 2709, 2881, 4221, 4227, 8643, 9863, 12681, 20167, 25929, 29589, 60501, 60587, 88767, 94403, 181503, 181761, 283209, 424109, 545283, 660821, 849627, 1272327, 1982463, 3816981, 4059329, 5947389, 12177987, 28415303, 36533961, 85245909, 255737727]

約数ペア:

[(1, 255737727), (3, 85245909), (7, 36533961), (9, 28415303), (21, 12177987), (43, 5947389), (63, 4059329), (67, 3816981), (129, 1982463), (201, 1272327), (301, 849627), (387, 660821), (469, 545283), (603, 424109), (903, 283209), (1407, 181761), (1409, 181503), (2709, 94403), (2881, 88767), (4221, 60587), (4227, 60501), (8643, 29589), (9863, 25929), (12681, 20167)]