201628161

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1\times {\mathrm{283}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 343090176

約数和(自身を除く): 141462015

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 263, 283, 301, 387, 789, 849, 903, 1841, 1981, 2367, 2547, 2709, 5523, 5943, 11309, 12169, 16569, 17829, 33927, 36507, 74429, 79163, 85183, 101781, 109521, 223287, 237489, 255549, 521003, 669861, 712467, 766647, 1563009, 3200447, 4689027, 9601341, 22403129, 28804023, 67209387, 201628161]

約数ペア:

[(1, 201628161), (3, 67209387), (7, 28804023), (9, 22403129), (21, 9601341), (43, 4689027), (63, 3200447), (129, 1563009), (263, 766647), (283, 712467), (301, 669861), (387, 521003), (789, 255549), (849, 237489), (903, 223287), (1841, 109521), (1981, 101781), (2367, 85183), (2547, 79163), (2709, 74429), (5523, 36507), (5943, 33927), (11309, 17829), (12169, 16569)]