80925021

素因数分解:

$3^3\times {\mathrm{41}}^2\times {\mathrm{1783}}^1$

素因数の和:1874

約数の個数: 24

約数和(自身を含む): 122953280

約数和(自身を除く): 42028259

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 1681, 1783, 5043, 5349, 15129, 16047, 45387, 48141, 73103, 219309, 657927, 1973781, 2997223, 8991669, 26975007, 80925021]

約数ペア:

[(1, 80925021), (3, 26975007), (9, 8991669), (27, 2997223), (41, 1973781), (123, 657927), (369, 219309), (1107, 73103), (1681, 48141), (1783, 45387), (5043, 16047), (5349, 15129)]