2780701

素因数分解:

$7^3\times {\mathrm{11}}^2\times {\mathrm{67}}^1$

素因数の和:110

約数の個数: 24

約数和(自身を含む): 3617600

約数和(自身を除く): 836899

約数列:

[1, 7, 11, 49, 67, 77, 121, 343, 469, 539, 737, 847, 3283, 3773, 5159, 5929, 8107, 22981, 36113, 41503, 56749, 252791, 397243, 2780701]

約数ペア:

[(1, 2780701), (7, 397243), (11, 252791), (49, 56749), (67, 41503), (77, 36113), (121, 22981), (343, 8107), (469, 5929), (539, 5159), (737, 3773), (847, 3283)]