12255381

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{2131}}^1$

素因数の和:2214

約数の個数: 20

約数和(自身を含む): 18573984

約数和(自身を除く): 6318603

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 2131, 5751, 6393, 19179, 57537, 151301, 172611, 453903, 1361709, 4085127, 12255381]

約数ペア:

[(1, 12255381), (3, 4085127), (9, 1361709), (27, 453903), (71, 172611), (81, 151301), (213, 57537), (639, 19179), (1917, 6393), (2131, 5751)]