85781721

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{3643}}^1$

素因数の和:3860

約数の個数: 16

約数和(自身を含む): 117540864

約数和(自身を除く): 31759143

約数列:

[1, 3, 47, 141, 167, 501, 3643, 7849, 10929, 23547, 171221, 513663, 608381, 1825143, 28593907, 85781721]

約数ペア:

[(1, 85781721), (3, 28593907), (47, 1825143), (141, 608381), (167, 513663), (501, 171221), (3643, 23547), (7849, 10929)]