219989967

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1\times {\mathrm{2339}}^1$

素因数の和:2742

約数の個数: 16

約数和(自身を含む): 297198720

約数和(自身を除く): 77208753

約数列:

[1, 3, 107, 293, 321, 879, 2339, 7017, 31351, 94053, 250273, 685327, 750819, 2055981, 73329989, 219989967]

約数ペア:

[(1, 219989967), (3, 73329989), (107, 2055981), (293, 750819), (321, 685327), (879, 250273), (2339, 94053), (7017, 31351)]