8147769

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1289}}^1$

素因数の和:1349

約数の個数: 24

約数和(自身を含む): 12941280

約数和(自身を除く): 4793511

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 1289, 2107, 3867, 6321, 9023, 27069, 55427, 63161, 166281, 189483, 387989, 1163967, 2715923, 8147769]

約数ペア:

[(1, 8147769), (3, 2715923), (7, 1163967), (21, 387989), (43, 189483), (49, 166281), (129, 63161), (147, 55427), (301, 27069), (903, 9023), (1289, 6321), (2107, 3867)]