278326431

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{463}}^1\times {\mathrm{3929}}^1$

素因数の和:4415

約数の個数: 24

約数和(自身を含む): 426703680

約数和(自身を除く): 148377249

約数列:

[1, 3, 9, 17, 51, 153, 463, 1389, 3929, 4167, 7871, 11787, 23613, 35361, 66793, 70839, 200379, 601137, 1819127, 5457381, 16372143, 30925159, 92775477, 278326431]

約数ペア:

[(1, 278326431), (3, 92775477), (9, 30925159), (17, 16372143), (51, 5457381), (153, 1819127), (463, 601137), (1389, 200379), (3929, 70839), (4167, 66793), (7871, 35361), (11787, 23613)]