13721955

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5413}}^1$

素因数の和:5447

約数の個数: 24

約数和(自身を含む): 23778288

約数和(自身を除く): 10056333

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 5413, 16239, 27065, 70369, 81195, 211107, 351845, 914797, 1055535, 2744391, 4573985, 13721955]

約数ペア:

[(1, 13721955), (3, 4573985), (5, 2744391), (13, 1055535), (15, 914797), (39, 351845), (65, 211107), (169, 81195), (195, 70369), (507, 27065), (845, 16239), (2535, 5413)]