31293969

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{733}}^1$

素因数の和:869

約数の個数: 32

約数和(自身を含む): 50734080

約数和(自身を除く): 19440111

約数列:

[1, 3, 7, 19, 21, 57, 107, 133, 321, 399, 733, 749, 2033, 2199, 2247, 5131, 6099, 13927, 14231, 15393, 41781, 42693, 78431, 97489, 235293, 292467, 549017, 1490189, 1647051, 4470567, 10431323, 31293969]

約数ペア:

[(1, 31293969), (3, 10431323), (7, 4470567), (19, 1647051), (21, 1490189), (57, 549017), (107, 292467), (133, 235293), (321, 97489), (399, 78431), (733, 42693), (749, 41781), (2033, 15393), (2199, 14231), (2247, 13927), (5131, 6099)]