205595907

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1867}}^1$

素因数の和:1999

約数の個数: 32

約数和(自身を含む): 309878784

約数和(自身を除く): 104282877

約数列:

[1, 3, 11, 33, 47, 71, 141, 213, 517, 781, 1551, 1867, 2343, 3337, 5601, 10011, 20537, 36707, 61611, 87749, 110121, 132557, 263247, 397671, 965239, 1458127, 2895717, 4374381, 6230179, 18690537, 68531969, 205595907]

約数ペア:

[(1, 205595907), (3, 68531969), (11, 18690537), (33, 6230179), (47, 4374381), (71, 2895717), (141, 1458127), (213, 965239), (517, 397671), (781, 263247), (1551, 132557), (1867, 110121), (2343, 87749), (3337, 61611), (5601, 36707), (10011, 20537)]