26431215

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{13451}}^1$

素因数の和:13590

約数の個数: 16

約数和(自身を含む): 42615936

約数和(自身を除く): 16184721

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 13451, 40353, 67255, 201765, 1762081, 5286243, 8810405, 26431215]

約数ペア:

[(1, 26431215), (3, 8810405), (5, 5286243), (15, 1762081), (131, 201765), (393, 67255), (655, 40353), (1965, 13451)]