81882283

素因数分解:

$7^2\times {\mathrm{29}}^2\times {\mathrm{1987}}^1$

素因数の和:2059

約数の個数: 18

約数和(自身を含む): 98698236

約数和(自身を除く): 16815953

約数列:

[1, 7, 29, 49, 203, 841, 1421, 1987, 5887, 13909, 41209, 57623, 97363, 403361, 1671067, 2823527, 11697469, 81882283]

約数ペア:

[(1, 81882283), (7, 11697469), (29, 2823527), (49, 1671067), (203, 403361), (841, 97363), (1421, 57623), (1987, 41209), (5887, 13909)]