448021287

素因数分解:

$3^5\times 7^1\times {\mathrm{263387}}^1$

素因数の和:263409

約数の個数: 24

約数和(自身を含む): 766985856

約数和(自身を除く): 318964569

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 263387, 790161, 1843709, 2370483, 5531127, 7111449, 16593381, 21334347, 49780143, 64003041, 149340429, 448021287]

約数ペア:

[(1, 448021287), (3, 149340429), (7, 64003041), (9, 49780143), (21, 21334347), (27, 16593381), (63, 7111449), (81, 5531127), (189, 2370483), (243, 1843709), (567, 790161), (1701, 263387)]