201621009

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{643}}^1\times {\mathrm{823}}^1$

素因数の和:1596

約数の個数: 16

約数和(自身を含む): 271695872

約数和(自身を除く): 70074863

約数列:

[1, 3, 127, 381, 643, 823, 1929, 2469, 81661, 104521, 244983, 313563, 529189, 1587567, 67207003, 201621009]

約数ペア:

[(1, 201621009), (3, 67207003), (127, 1587567), (381, 529189), (643, 313563), (823, 244983), (1929, 104521), (2469, 81661)]