811580067

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{213181}}^1$

素因数の和:213240

約数の個数: 20

約数和(自身を含む): 1238161056

約数和(自身を除く): 426580989

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 213181, 639543, 1918629, 5755887, 10019507, 17267661, 30058521, 90175563, 270526689, 811580067]

約数ペア:

[(1, 811580067), (3, 270526689), (9, 90175563), (27, 30058521), (47, 17267661), (81, 10019507), (141, 5755887), (423, 1918629), (1269, 639543), (3807, 213181)]