128604927

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{419}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 191600640

約数和(自身を除く): 62995713

約数列:

[1, 3, 11, 33, 71, 131, 213, 393, 419, 781, 1257, 1441, 2343, 4323, 4609, 9301, 13827, 27903, 29749, 54889, 89247, 102311, 164667, 306933, 327239, 603779, 981717, 1811337, 3897119, 11691357, 42868309, 128604927]

約数ペア:

[(1, 128604927), (3, 42868309), (11, 11691357), (33, 3897119), (71, 1811337), (131, 981717), (213, 603779), (393, 327239), (419, 306933), (781, 164667), (1257, 102311), (1441, 89247), (2343, 54889), (4323, 29749), (4609, 27903), (9301, 13827)]