25664643

素因数分解:

$3^2\times {\mathrm{37}}^2\times {\mathrm{2083}}^1$

素因数の和:2163

約数の個数: 18

約数和(自身を含む): 38118444

約数和(自身を除く): 12453801

約数列:

[1, 3, 9, 37, 111, 333, 1369, 2083, 4107, 6249, 12321, 18747, 77071, 231213, 693639, 2851627, 8554881, 25664643]

約数ペア:

[(1, 25664643), (3, 8554881), (9, 2851627), (37, 693639), (111, 231213), (333, 77071), (1369, 18747), (2083, 12321), (4107, 6249)]