12940473

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{443}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 21482496

約数和(自身を除く): 8542023

約数列:

[1, 3, 7, 13, 21, 39, 91, 107, 273, 321, 443, 749, 1329, 1391, 2247, 3101, 4173, 5759, 9303, 9737, 17277, 29211, 40313, 47401, 120939, 142203, 331807, 616213, 995421, 1848639, 4313491, 12940473]

約数ペア:

[(1, 12940473), (3, 4313491), (7, 1848639), (13, 995421), (21, 616213), (39, 331807), (91, 142203), (107, 120939), (273, 47401), (321, 40313), (443, 29211), (749, 17277), (1329, 9737), (1391, 9303), (2247, 5759), (3101, 4173)]