51365349

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{283}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 88371712

約数和(自身を除く): 37006363

約数列:

[1, 3, 7, 9, 21, 43, 63, 67, 129, 201, 283, 301, 387, 469, 603, 849, 903, 1407, 1981, 2547, 2709, 2881, 4221, 5943, 8643, 12169, 17829, 18961, 20167, 25929, 36507, 56883, 60501, 85183, 109521, 132727, 170649, 181503, 255549, 398181, 766647, 815323, 1194543, 2445969, 5707261, 7337907, 17121783, 51365349]

約数ペア:

[(1, 51365349), (3, 17121783), (7, 7337907), (9, 5707261), (21, 2445969), (43, 1194543), (63, 815323), (67, 766647), (129, 398181), (201, 255549), (283, 181503), (301, 170649), (387, 132727), (469, 109521), (603, 85183), (849, 60501), (903, 56883), (1407, 36507), (1981, 25929), (2547, 20167), (2709, 18961), (2881, 17829), (4221, 12169), (5943, 8643)]