4005891

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{6269}}^1$

素因数の和:6346

約数の個数: 12

約数和(自身を含む): 5868720

約数和(自身を除く): 1862829

約数列:

[1, 3, 9, 71, 213, 639, 6269, 18807, 56421, 445099, 1335297, 4005891]

約数ペア:

[(1, 4005891), (3, 1335297), (9, 445099), (71, 56421), (213, 18807), (639, 6269)]