2189427

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:634

約数の個数: 16

約数和(自身を含む): 3121920

約数和(自身を除く): 932493

約数列:

[1, 3, 19, 57, 71, 213, 541, 1349, 1623, 4047, 10279, 30837, 38411, 115233, 729809, 2189427]

約数ペア:

[(1, 2189427), (3, 729809), (19, 115233), (57, 38411), (71, 30837), (213, 10279), (541, 4047), (1349, 1623)]