156766509

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{27259}}^1$

素因数の和:27342

約数の個数: 20

約数和(自身を含む): 237489120

約数和(自身を除く): 80722611

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 27259, 81777, 245331, 735993, 1935389, 2207979, 5806167, 17418501, 52255503, 156766509]

約数ペア:

[(1, 156766509), (3, 52255503), (9, 17418501), (27, 5806167), (71, 2207979), (81, 1935389), (213, 735993), (639, 245331), (1917, 81777), (5751, 27259)]