18753687

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{5647}}^1$

素因数の和:5700

約数の個数: 20

約数和(自身を含む): 28703136

約数和(自身を除く): 9949449

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 5647, 16941, 50823, 152469, 231527, 457407, 694581, 2083743, 6251229, 18753687]

約数ペア:

[(1, 18753687), (3, 6251229), (9, 2083743), (27, 694581), (41, 457407), (81, 231527), (123, 152469), (369, 50823), (1107, 16941), (3321, 5647)]