770001

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:220

約数の個数: 16

約数和(自身を含む): 1081344

約数和(自身を除く): 311343

約数列:

[1, 3, 43, 47, 127, 129, 141, 381, 2021, 5461, 5969, 6063, 16383, 17907, 256667, 770001]

約数ペア:

[(1, 770001), (3, 256667), (43, 17907), (47, 16383), (127, 6063), (129, 5969), (141, 5461), (381, 2021)]