81867615

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{76871}}^1$

素因数の和:76950

約数の個数: 16

約数和(自身を含む): 132834816

約数和(自身を除く): 50967201

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 76871, 230613, 384355, 1153065, 5457841, 16373523, 27289205, 81867615]

約数ペア:

[(1, 81867615), (3, 27289205), (5, 16373523), (15, 5457841), (71, 1153065), (213, 384355), (355, 230613), (1065, 76871)]