285219

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:127

約数の個数: 24

約数和(自身を含む): 466752

約数和(自身を除く): 181533

約数列:

[1, 3, 9, 11, 33, 43, 67, 99, 129, 201, 387, 473, 603, 737, 1419, 2211, 2881, 4257, 6633, 8643, 25929, 31691, 95073, 285219]

約数ペア:

[(1, 285219), (3, 95073), (9, 31691), (11, 25929), (33, 8643), (43, 6633), (67, 4257), (99, 2881), (129, 2211), (201, 1419), (387, 737), (473, 603)]