209862567

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{547}}^1\times {\mathrm{907}}^1$

素因数の和:1507

約数の個数: 24

約数和(自身を含む): 310492416

約数和(自身を除く): 100629849

約数列:

[1, 3, 9, 47, 141, 423, 547, 907, 1641, 2721, 4923, 8163, 25709, 42629, 77127, 127887, 231381, 383661, 496129, 1488387, 4465161, 23318063, 69954189, 209862567]

約数ペア:

[(1, 209862567), (3, 69954189), (9, 23318063), (47, 4465161), (141, 1488387), (423, 496129), (547, 383661), (907, 231381), (1641, 127887), (2721, 77127), (4923, 42629), (8163, 25709)]