6720777

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{997}}^1$

素因数の和:1117

約数の個数: 24

約数和(自身を含む): 11209536

約数和(自身を除く): 4488759

約数列:

[1, 3, 7, 9, 21, 63, 107, 321, 749, 963, 997, 2247, 2991, 6741, 6979, 8973, 20937, 62811, 106679, 320037, 746753, 960111, 2240259, 6720777]

約数ペア:

[(1, 6720777), (3, 2240259), (7, 960111), (9, 746753), (21, 320037), (63, 106679), (107, 62811), (321, 20937), (749, 8973), (963, 6979), (997, 6741), (2247, 2991)]