257233683

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{727}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 418279680

約数和(自身を除く): 161045997

約数列:

[1, 3, 7, 21, 29, 49, 83, 87, 147, 203, 249, 581, 609, 727, 1421, 1743, 2181, 2407, 4067, 4263, 5089, 7221, 12201, 15267, 16849, 21083, 35623, 50547, 60341, 63249, 106869, 117943, 147581, 181023, 353829, 422387, 442743, 1033067, 1267161, 1749889, 2956709, 3099201, 5249667, 8870127, 12249223, 36747669, 85744561, 257233683]

約数ペア:

[(1, 257233683), (3, 85744561), (7, 36747669), (21, 12249223), (29, 8870127), (49, 5249667), (83, 3099201), (87, 2956709), (147, 1749889), (203, 1267161), (249, 1033067), (581, 442743), (609, 422387), (727, 353829), (1421, 181023), (1743, 147581), (2181, 117943), (2407, 106869), (4067, 63249), (4263, 60341), (5089, 50547), (7221, 35623), (12201, 21083), (15267, 16849)]