289956513

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{997}}^1\times {\mathrm{1259}}^1$

素因数の和:2277

約数の個数: 32

約数和(自身を含む): 482872320

約数和(自身を除く): 192915807

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 997, 1259, 2991, 3777, 6979, 8813, 10967, 13849, 20937, 26439, 32901, 41547, 76769, 96943, 230307, 290829, 1255223, 3765669, 8786561, 13807453, 26359683, 41422359, 96652171, 289956513]

約数ペア:

[(1, 289956513), (3, 96652171), (7, 41422359), (11, 26359683), (21, 13807453), (33, 8786561), (77, 3765669), (231, 1255223), (997, 290829), (1259, 230307), (2991, 96943), (3777, 76769), (6979, 41547), (8813, 32901), (10967, 26439), (13849, 20937)]