128942907

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:343

約数の個数: 32

約数和(自身を含む): 180956160

約数和(自身を除く): 52013253

約数列:

[1, 3, 59, 67, 83, 131, 177, 201, 249, 393, 3953, 4897, 5561, 7729, 8777, 10873, 11859, 14691, 16683, 23187, 26331, 32619, 328099, 517843, 641507, 728491, 984297, 1553529, 1924521, 2185473, 42980969, 128942907]

約数ペア:

[(1, 128942907), (3, 42980969), (59, 2185473), (67, 1924521), (83, 1553529), (131, 984297), (177, 728491), (201, 641507), (249, 517843), (393, 328099), (3953, 32619), (4897, 26331), (5561, 23187), (7729, 16683), (8777, 14691), (10873, 11859)]