2013489

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:237

約数の個数: 24

約数和(自身を含む): 3100032

約数和(自身を除く): 1086543

約数列:

[1, 3, 9, 23, 69, 71, 137, 207, 213, 411, 639, 1233, 1633, 3151, 4899, 9453, 9727, 14697, 28359, 29181, 87543, 223721, 671163, 2013489]

約数ペア:

[(1, 2013489), (3, 671163), (9, 223721), (23, 87543), (69, 29181), (71, 28359), (137, 14697), (207, 9727), (213, 9453), (411, 4899), (639, 3151), (1233, 1633)]