81555265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{1543}}^1$

素因数の和:1621

約数の個数: 24

約数和(自身を含む): 110389824

約数和(自身を除く): 28834559

約数列:

[1, 5, 11, 31, 55, 155, 341, 961, 1543, 1705, 4805, 7715, 10571, 16973, 47833, 52855, 84865, 239165, 526163, 1482823, 2630815, 7414115, 16311053, 81555265]

約数ペア:

[(1, 81555265), (5, 16311053), (11, 7414115), (31, 2630815), (55, 1482823), (155, 526163), (341, 239165), (961, 84865), (1543, 52855), (1705, 47833), (4805, 16973), (7715, 10571)]