16628031

素因数分解:

$3^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{907}}^1$

素因数の和:1020

約数の個数: 32

約数和(自身を含む): 28474880

約数和(自身を除く): 11846849

約数列:

[1, 3, 7, 9, 21, 27, 63, 97, 189, 291, 679, 873, 907, 2037, 2619, 2721, 6111, 6349, 8163, 18333, 19047, 24489, 57141, 87979, 171423, 263937, 615853, 791811, 1847559, 2375433, 5542677, 16628031]

約数ペア:

[(1, 16628031), (3, 5542677), (7, 2375433), (9, 1847559), (21, 791811), (27, 615853), (63, 263937), (97, 171423), (189, 87979), (291, 57141), (679, 24489), (873, 19047), (907, 18333), (2037, 8163), (2619, 6349), (2721, 6111)]