12880347

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2539}}^1$

素因数の和:2650

約数の個数: 16

約数和(自身を含む): 18288000

約数和(自身を除く): 5407653

約数列:

[1, 3, 19, 57, 89, 267, 1691, 2539, 5073, 7617, 48241, 144723, 225971, 677913, 4293449, 12880347]

約数ペア:

[(1, 12880347), (3, 4293449), (19, 677913), (57, 225971), (89, 144723), (267, 48241), (1691, 7617), (2539, 5073)]