7987551

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 12832512

約数和(自身を除く): 4844961

約数列:

[1, 3, 11, 13, 33, 39, 43, 129, 143, 429, 433, 473, 559, 1299, 1419, 1677, 4763, 5629, 6149, 14289, 16887, 18447, 18619, 55857, 61919, 185757, 204809, 242047, 614427, 726141, 2662517, 7987551]

約数ペア:

[(1, 7987551), (3, 2662517), (11, 726141), (13, 614427), (33, 242047), (39, 204809), (43, 185757), (129, 61919), (143, 55857), (429, 18619), (433, 18447), (473, 16887), (559, 14289), (1299, 6149), (1419, 5629), (1677, 4763)]