38402781

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 56179200

約数和(自身を除く): 17776419

約数列:

[1, 3, 19, 37, 57, 111, 131, 139, 393, 417, 703, 2109, 2489, 2641, 4847, 5143, 7467, 7923, 14541, 15429, 18209, 54627, 92093, 97717, 276279, 293151, 345971, 673733, 1037913, 2021199, 12800927, 38402781]

約数ペア:

[(1, 38402781), (3, 12800927), (19, 2021199), (37, 1037913), (57, 673733), (111, 345971), (131, 293151), (139, 276279), (393, 97717), (417, 92093), (703, 54627), (2109, 18209), (2489, 15429), (2641, 14541), (4847, 7923), (5143, 7467)]