81682139

素因数分解:

$7^1\times {\mathrm{11}}^4\times {\mathrm{797}}^1$

素因数の和:848

約数の個数: 20

約数和(自身を含む): 102814320

約数和(自身を除く): 21132181

約数列:

[1, 7, 11, 77, 121, 797, 847, 1331, 5579, 8767, 9317, 14641, 61369, 96437, 102487, 675059, 1060807, 7425649, 11668877, 81682139]

約数ペア:

[(1, 81682139), (7, 11668877), (11, 7425649), (77, 1060807), (121, 675059), (797, 102487), (847, 96437), (1331, 61369), (5579, 14641), (8767, 9317)]