16821057

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{149}}^1\times {\mathrm{311}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 24897600

約数和(自身を除く): 8076543

約数列:

[1, 3, 11, 33, 121, 149, 311, 363, 447, 933, 1639, 3421, 4917, 10263, 18029, 37631, 46339, 54087, 112893, 139017, 509729, 1529187, 5607019, 16821057]

約数ペア:

[(1, 16821057), (3, 5607019), (11, 1529187), (33, 509729), (121, 139017), (149, 112893), (311, 54087), (363, 46339), (447, 37631), (933, 18029), (1639, 10263), (3421, 4917)]