201580821

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{6551}}^1$

素因数の和:6833

約数の個数: 24

約数和(自身を含む): 314810496

約数和(自身を除く): 113229675

約数列:

[1, 3, 9, 13, 39, 117, 263, 789, 2367, 3419, 6551, 10257, 19653, 30771, 58959, 85163, 255489, 766467, 1722913, 5168739, 15506217, 22397869, 67193607, 201580821]

約数ペア:

[(1, 201580821), (3, 67193607), (9, 22397869), (13, 15506217), (39, 5168739), (117, 1722913), (263, 766467), (789, 255489), (2367, 85163), (3419, 58959), (6551, 30771), (10257, 19653)]