81485691

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{63611}}^1$

素因数の和:63682

約数の個数: 16

約数和(自身を含む): 126206208

約数和(自身を除く): 44720517

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 63611, 190833, 445277, 1335831, 3880271, 11640813, 27161897, 81485691]

約数ペア:

[(1, 81485691), (3, 27161897), (7, 11640813), (21, 3880271), (61, 1335831), (183, 445277), (427, 190833), (1281, 63611)]