289297917

素因数分解:

$3^2\times {\mathrm{643}}^1\times {\mathrm{49991}}^1$

素因数の和:50640

約数の個数: 12

約数和(自身を含む): 418533024

約数和(自身を除く): 129235107

約数列:

[1, 3, 9, 643, 1929, 5787, 49991, 149973, 449919, 32144213, 96432639, 289297917]

約数ペア:

[(1, 289297917), (3, 96432639), (9, 32144213), (643, 449919), (1929, 149973), (5787, 49991)]