51739191

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 88957440

約数和(自身を除く): 37218249

約数列:

[1, 3, 7, 9, 21, 43, 63, 71, 129, 213, 269, 301, 387, 497, 639, 807, 903, 1491, 1883, 2421, 2709, 3053, 4473, 5649, 9159, 11567, 16947, 19099, 21371, 27477, 34701, 57297, 64113, 80969, 104103, 133693, 171891, 192339, 242907, 401079, 728721, 821257, 1203237, 2463771, 5748799, 7391313, 17246397, 51739191]

約数ペア:

[(1, 51739191), (3, 17246397), (7, 7391313), (9, 5748799), (21, 2463771), (43, 1203237), (63, 821257), (71, 728721), (129, 401079), (213, 242907), (269, 192339), (301, 171891), (387, 133693), (497, 104103), (639, 80969), (807, 64113), (903, 57297), (1491, 34701), (1883, 27477), (2421, 21371), (2709, 19099), (3053, 16947), (4473, 11567), (5649, 9159)]