51287457

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 76970880

約数和(自身を除く): 25683423

約数列:

[1, 3, 13, 29, 39, 87, 137, 331, 377, 411, 993, 1131, 1781, 3973, 4303, 5343, 9599, 11919, 12909, 28797, 45347, 51649, 124787, 136041, 154947, 374361, 589511, 1315063, 1768533, 3945189, 17095819, 51287457]

約数ペア:

[(1, 51287457), (3, 17095819), (13, 3945189), (29, 1768533), (39, 1315063), (87, 589511), (137, 374361), (331, 154947), (377, 136041), (411, 124787), (993, 51649), (1131, 45347), (1781, 28797), (3973, 12909), (4303, 11919), (5343, 9599)]