272761489

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:195

約数の個数: 64

約数和(自身を含む): 383846400

約数和(自身を除く): 111084911

約数列:

[1, 7, 11, 13, 49, 67, 77, 83, 91, 143, 343, 469, 539, 581, 637, 737, 871, 913, 1001, 1079, 3283, 3773, 4067, 4459, 5159, 5561, 6097, 6391, 7007, 7553, 9581, 11869, 22981, 28469, 36113, 38927, 42679, 44737, 49049, 52871, 61171, 67067, 72293, 83083, 252791, 272489, 298753, 313159, 370097, 428197, 469469, 506051, 581581, 795223, 1907423, 2997379, 3286283, 3542357, 4071067, 5566561, 20981653, 24796499, 38965927, 272761489]

約数ペア:

[(1, 272761489), (7, 38965927), (11, 24796499), (13, 20981653), (49, 5566561), (67, 4071067), (77, 3542357), (83, 3286283), (91, 2997379), (143, 1907423), (343, 795223), (469, 581581), (539, 506051), (581, 469469), (637, 428197), (737, 370097), (871, 313159), (913, 298753), (1001, 272489), (1079, 252791), (3283, 83083), (3773, 72293), (4067, 67067), (4459, 61171), (5159, 52871), (5561, 49049), (6097, 44737), (6391, 42679), (7007, 38927), (7553, 36113), (9581, 28469), (11869, 22981)]