2566971

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:133

約数の個数: 40

約数和(自身を含む): 4344384

約数和(自身を除く): 1777413

約数列:

[1, 3, 9, 11, 27, 33, 43, 67, 81, 99, 129, 201, 297, 387, 473, 603, 737, 891, 1161, 1419, 1809, 2211, 2881, 3483, 4257, 5427, 6633, 8643, 12771, 19899, 25929, 31691, 38313, 59697, 77787, 95073, 233361, 285219, 855657, 2566971]

約数ペア:

[(1, 2566971), (3, 855657), (9, 285219), (11, 233361), (27, 95073), (33, 77787), (43, 59697), (67, 38313), (81, 31691), (99, 25929), (129, 19899), (201, 12771), (297, 8643), (387, 6633), (473, 5427), (603, 4257), (737, 3483), (891, 2881), (1161, 2211), (1419, 1809)]