157211439

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{680569}}^1$

素因数の和:680590

約数の個数: 16

約数和(自身を含む): 261338880

約数和(自身を除く): 104127441

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 680569, 2041707, 4763983, 7486259, 14291949, 22458777, 52403813, 157211439]

約数ペア:

[(1, 157211439), (3, 52403813), (7, 22458777), (11, 14291949), (21, 7486259), (33, 4763983), (77, 2041707), (231, 680569)]