23281321

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{7789}}^1$

素因数の和:7864

約数の個数: 12

約数和(自身を含む): 27529860

約数和(自身を除く): 4248539

約数列:

[1, 7, 49, 61, 427, 2989, 7789, 54523, 381661, 475129, 3325903, 23281321]

約数ペア:

[(1, 23281321), (7, 3325903), (49, 475129), (61, 381661), (427, 54523), (2989, 7789)]