127911189

素因数分解:

$3^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{21523}}^1$

素因数の和:21816

約数の個数: 16

約数和(自身を含む): 195610112

約数和(自身を除く): 67698923

約数列:

[1, 3, 7, 21, 283, 849, 1981, 5943, 21523, 64569, 150661, 451983, 6091009, 18273027, 42637063, 127911189]

約数ペア:

[(1, 127911189), (3, 42637063), (7, 18273027), (21, 6091009), (283, 451983), (849, 150661), (1981, 64569), (5943, 21523)]