13249431

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:344

約数の個数: 36

約数和(自身を含む): 21468096

約数和(自身を除く): 8218665

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 169, 279, 281, 403, 507, 843, 1209, 1521, 2529, 3627, 3653, 5239, 8711, 10959, 15717, 26133, 32877, 47151, 47489, 78399, 113243, 142467, 339729, 427401, 1019187, 1472159, 4416477, 13249431]

約数ペア:

[(1, 13249431), (3, 4416477), (9, 1472159), (13, 1019187), (31, 427401), (39, 339729), (93, 142467), (117, 113243), (169, 78399), (279, 47489), (281, 47151), (403, 32877), (507, 26133), (843, 15717), (1209, 10959), (1521, 8711), (2529, 5239), (3627, 3653)]