15815331

素因数分解:

$3^4\times 7^1\times {\mathrm{27893}}^1$

素因数の和:27912

約数の個数: 20

約数和(自身を含む): 27001392

約数和(自身を除く): 11186061

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 27893, 83679, 195251, 251037, 585753, 753111, 1757259, 2259333, 5271777, 15815331]

約数ペア:

[(1, 15815331), (3, 5271777), (7, 2259333), (9, 1757259), (21, 753111), (27, 585753), (63, 251037), (81, 195251), (189, 83679), (567, 27893)]