51123219

素因数分解:

$3^1\times 7^2\times {\mathrm{457}}^1\times {\mathrm{761}}^1$

素因数の和:1235

約数の個数: 24

約数和(自身を含む): 79571088

約数和(自身を除く): 28447869

約数列:

[1, 3, 7, 21, 49, 147, 457, 761, 1371, 2283, 3199, 5327, 9597, 15981, 22393, 37289, 67179, 111867, 347777, 1043331, 2434439, 7303317, 17041073, 51123219]

約数ペア:

[(1, 51123219), (3, 17041073), (7, 7303317), (21, 2434439), (49, 1043331), (147, 347777), (457, 111867), (761, 67179), (1371, 37289), (2283, 22393), (3199, 15981), (5327, 9597)]