27891661

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1627}}^1$

素因数の和:1744

約数の個数: 16

約数和(自身を含む): 33341440

約数和(自身を除く): 5449779

約数列:

[1, 7, 31, 79, 217, 553, 1627, 2449, 11389, 17143, 50437, 128533, 353059, 899731, 3984523, 27891661]

約数ペア:

[(1, 27891661), (7, 3984523), (31, 899731), (79, 353059), (217, 128533), (553, 50437), (1627, 17143), (2449, 11389)]