87158883

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{491}}^1$

素因数の和:687

約数の個数: 32

約数和(自身を含む): 136028160

約数和(自身を除く): 48869277

約数列:

[1, 3, 7, 21, 79, 107, 237, 321, 491, 553, 749, 1473, 1659, 2247, 3437, 8453, 10311, 25359, 38789, 52537, 59171, 116367, 157611, 177513, 271523, 367759, 814569, 1103277, 4150423, 12451269, 29052961, 87158883]

約数ペア:

[(1, 87158883), (3, 29052961), (7, 12451269), (21, 4150423), (79, 1103277), (107, 814569), (237, 367759), (321, 271523), (491, 177513), (553, 157611), (749, 116367), (1473, 59171), (1659, 52537), (2247, 38789), (3437, 25359), (8453, 10311)]