12810393

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{1777}}^1$

素因数の和:1878

約数の個数: 20

約数和(自身を含む): 19362420

約数和(自身を除く): 6552027

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 1777, 2403, 5331, 7209, 15993, 47979, 143937, 158153, 474459, 1423377, 4270131, 12810393]

約数ペア:

[(1, 12810393), (3, 4270131), (9, 1423377), (27, 474459), (81, 158153), (89, 143937), (267, 47979), (801, 15993), (1777, 7209), (2403, 5331)]