12147219

素因数分解:

$3^3\times 7^1\times {\mathrm{64271}}^1$

素因数の和:64287

約数の個数: 16

約数和(自身を含む): 20567040

約数和(自身を除く): 8419821

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 64271, 192813, 449897, 578439, 1349691, 1735317, 4049073, 12147219]

約数ペア:

[(1, 12147219), (3, 4049073), (7, 1735317), (9, 1349691), (21, 578439), (27, 449897), (63, 192813), (189, 64271)]