199675581

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{5233}}^1$

素因数の和:5345

約数の個数: 32

約数和(自身を含む): 321576960

約数和(自身を除く): 121901379

約数列:

[1, 3, 7, 21, 23, 69, 79, 161, 237, 483, 553, 1659, 1817, 5233, 5451, 12719, 15699, 36631, 38157, 109893, 120359, 361077, 413407, 842513, 1240221, 2527539, 2893849, 8681547, 9508361, 28525083, 66558527, 199675581]

約数ペア:

[(1, 199675581), (3, 66558527), (7, 28525083), (21, 9508361), (23, 8681547), (69, 2893849), (79, 2527539), (161, 1240221), (237, 842513), (483, 413407), (553, 361077), (1659, 120359), (1817, 109893), (5233, 38157), (5451, 36631), (12719, 15699)]