28290861

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1783}}^1$

素因数の和:1873

約数の個数: 24

約数和(自身を含む): 42858816

約数和(自身を除く): 14567955

約数列:

[1, 3, 9, 41, 43, 123, 129, 369, 387, 1763, 1783, 5289, 5349, 15867, 16047, 73103, 76669, 219309, 230007, 657927, 690021, 3143429, 9430287, 28290861]

約数ペア:

[(1, 28290861), (3, 9430287), (9, 3143429), (41, 690021), (43, 657927), (123, 230007), (129, 219309), (369, 76669), (387, 73103), (1763, 16047), (1783, 15867), (5289, 5349)]