8149281

素因数分解:

$3^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1381}}^1$

素因数の和:1672

約数の個数: 16

約数和(自身を含む): 12471168

約数和(自身を除く): 4321887

約数列:

[1, 3, 7, 21, 281, 843, 1381, 1967, 4143, 5901, 9667, 29001, 388061, 1164183, 2716427, 8149281]

約数ペア:

[(1, 8149281), (3, 2716427), (7, 1164183), (21, 388061), (281, 29001), (843, 9667), (1381, 5901), (1967, 4143)]