242187

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:234

約数の個数: 16

約数和(自身を含む): 362880

約数和(自身を除く): 120693

約数列:

[1, 3, 11, 33, 41, 123, 179, 451, 537, 1353, 1969, 5907, 7339, 22017, 80729, 242187]

約数ペア:

[(1, 242187), (3, 80729), (11, 22017), (33, 7339), (41, 5907), (123, 1969), (179, 1353), (451, 537)]