128435181

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{91283}}^1$

素因数の和:91360

約数の個数: 16

約数和(自身を含む): 198633984

約数和(自身を除く): 70198803

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 91283, 273849, 638981, 1916943, 6115961, 18347883, 42811727, 128435181]

約数ペア:

[(1, 128435181), (3, 42811727), (7, 18347883), (21, 6115961), (67, 1916943), (201, 638981), (469, 273849), (1407, 91283)]