7157661

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{17939}}^1$

素因数の和:17968

約数の個数: 16

約数和(自身を含む): 11481600

約数和(自身を除く): 4323939

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 17939, 53817, 125573, 340841, 376719, 1022523, 2385887, 7157661]

約数ペア:

[(1, 7157661), (3, 2385887), (7, 1022523), (19, 376719), (21, 340841), (57, 125573), (133, 53817), (399, 17939)]