287132385

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{19919}}^1$

素因数の和:19989

約数の個数: 24

約数和(自身を含む): 474733440

約数和(自身を除く): 187601055

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 961, 2883, 4805, 14415, 19919, 59757, 99595, 298785, 617489, 1852467, 3087445, 9262335, 19142159, 57426477, 95710795, 287132385]

約数ペア:

[(1, 287132385), (3, 95710795), (5, 57426477), (15, 19142159), (31, 9262335), (93, 3087445), (155, 1852467), (465, 617489), (961, 298785), (2883, 99595), (4805, 59757), (14415, 19919)]