16401609

素因数分解:

$3^4\times 7^1\times {\mathrm{28927}}^1$

素因数の和:28946

約数の個数: 20

約数和(自身を含む): 28002304

約数和(自身を除く): 11600695

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 28927, 86781, 202489, 260343, 607467, 781029, 1822401, 2343087, 5467203, 16401609]

約数ペア:

[(1, 16401609), (3, 5467203), (7, 2343087), (9, 1822401), (21, 781029), (27, 607467), (63, 260343), (81, 202489), (189, 86781), (567, 28927)]