17996801907

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{27644857}}^1$

素因数の和:27644898

約数の個数: 16

約数和(自身を含む): 28308334592

約数和(自身を除く): 10311532685

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 27644857, 82934571, 193513999, 580541997, 856990567, 2570971701, 5998933969, 17996801907]

約数ペア:

[(1, 17996801907), (3, 5998933969), (7, 2570971701), (21, 856990567), (31, 580541997), (93, 193513999), (217, 82934571), (651, 27644857)]