2721785

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 32

約数和(自身を含む): 3919104

約数和(自身を除く): 1197319

約数列:

[1, 5, 11, 17, 41, 55, 71, 85, 187, 205, 355, 451, 697, 781, 935, 1207, 2255, 2911, 3485, 3905, 6035, 7667, 13277, 14555, 32021, 38335, 49487, 66385, 160105, 247435, 544357, 2721785]

約数ペア:

[(1, 2721785), (5, 544357), (11, 247435), (17, 160105), (41, 66385), (55, 49487), (71, 38335), (85, 32021), (187, 14555), (205, 13277), (355, 7667), (451, 6035), (697, 3905), (781, 3485), (935, 2911), (1207, 2255)]