28155113889

素因数分解:

$3^1\times 7^2\times {\mathrm{709}}^1\times {\mathrm{270143}}^1$

素因数の和:270869

約数の個数: 24

約数和(自身を含む): 43730910720

約数和(自身を除く): 15575796831

約数列:

[1, 3, 7, 21, 49, 147, 709, 2127, 4963, 14889, 34741, 104223, 270143, 810429, 1891001, 5673003, 13237007, 39711021, 191531387, 574594161, 1340719709, 4022159127, 9385037963, 28155113889]

約数ペア:

[(1, 28155113889), (3, 9385037963), (7, 4022159127), (21, 1340719709), (49, 574594161), (147, 191531387), (709, 39711021), (2127, 13237007), (4963, 5673003), (14889, 1891001), (34741, 810429), (104223, 270143)]