16551621

素因数分解:

$3^4\times {\mathrm{233}}^1\times {\mathrm{877}}^1$

素因数の和:1122

約数の個数: 20

約数和(自身を含む): 24859692

約数和(自身を除く): 8308071

約数列:

[1, 3, 9, 27, 81, 233, 699, 877, 2097, 2631, 6291, 7893, 18873, 23679, 71037, 204341, 613023, 1839069, 5517207, 16551621]

約数ペア:

[(1, 16551621), (3, 5517207), (9, 1839069), (27, 613023), (81, 204341), (233, 71037), (699, 23679), (877, 18873), (2097, 7893), (2631, 6291)]