81439638

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1939039}}^1$

素因数の和:1939051

約数の個数: 16

約数和(自身を含む): 186147840

約数和(自身を除く): 104708202

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1939039, 3878078, 5817117, 11634234, 13573273, 27146546, 40719819, 81439638]

約数ペア:

[(1, 81439638), (2, 40719819), (3, 27146546), (6, 13573273), (7, 11634234), (14, 5817117), (21, 3878078), (42, 1939039)]