991451853

素因数分解:

$3^3\times 7^1\times {\mathrm{571}}^1\times {\mathrm{9187}}^1$

素因数の和:9774

約数の個数: 32

約数和(自身を含む): 1681771520

約数和(自身を除く): 690319667

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 571, 1713, 3997, 5139, 9187, 11991, 15417, 27561, 35973, 64309, 82683, 107919, 192927, 248049, 578781, 1736343, 5245777, 15737331, 36720439, 47211993, 110161317, 141635979, 330483951, 991451853]

約数ペア:

[(1, 991451853), (3, 330483951), (7, 141635979), (9, 110161317), (21, 47211993), (27, 36720439), (63, 15737331), (189, 5245777), (571, 1736343), (1713, 578781), (3997, 248049), (5139, 192927), (9187, 107919), (11991, 82683), (15417, 64309), (27561, 35973)]