28647435

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{727}}^1$

素因数の和:843

約数の個数: 32

約数和(自身を含む): 47803392

約数和(自身を除く): 19155957

約数列:

[1, 3, 5, 15, 37, 71, 111, 185, 213, 355, 555, 727, 1065, 2181, 2627, 3635, 7881, 10905, 13135, 26899, 39405, 51617, 80697, 134495, 154851, 258085, 403485, 774255, 1909829, 5729487, 9549145, 28647435]

約数ペア:

[(1, 28647435), (3, 9549145), (5, 5729487), (15, 1909829), (37, 774255), (71, 403485), (111, 258085), (185, 154851), (213, 134495), (355, 80697), (555, 51617), (727, 39405), (1065, 26899), (2181, 13135), (2627, 10905), (3635, 7881)]