1815511109

素因数分解:

${\mathrm{71}}^2\times {\mathrm{139}}^1\times {\mathrm{2591}}^1$

素因数の和:2872

約数の個数: 12

約数和(自身を含む): 1855405440

約数和(自身を除く): 39894331

約数列:

[1, 71, 139, 2591, 5041, 9869, 183961, 360149, 700699, 13061231, 25570579, 1815511109]

約数ペア:

[(1, 1815511109), (71, 25570579), (139, 13061231), (2591, 700699), (5041, 360149), (9869, 183961)]