257788791

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{5783}}^1$

素因数の和:5932

約数の個数: 32

約数和(自身を含む): 414597120

約数和(自身を除く): 156808329

約数列:

[1, 3, 9, 13, 27, 39, 117, 127, 351, 381, 1143, 1651, 3429, 4953, 5783, 14859, 17349, 44577, 52047, 75179, 156141, 225537, 676611, 734441, 2029833, 2203323, 6609969, 9547733, 19829907, 28643199, 85929597, 257788791]

約数ペア:

[(1, 257788791), (3, 85929597), (9, 28643199), (13, 19829907), (27, 9547733), (39, 6609969), (117, 2203323), (127, 2029833), (351, 734441), (381, 676611), (1143, 225537), (1651, 156141), (3429, 75179), (4953, 52047), (5783, 44577), (14859, 17349)]