81371805

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{115421}}^1$

素因数の和:115476

約数の個数: 16

約数和(自身を含む): 132966144

約数和(自身を除く): 51594339

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 115421, 346263, 577105, 1731315, 5424787, 16274361, 27123935, 81371805]

約数ペア:

[(1, 81371805), (3, 27123935), (5, 16274361), (15, 5424787), (47, 1731315), (141, 577105), (235, 346263), (705, 115421)]