12771513

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{5437}}^1$

素因数の和:5478

約数の個数: 20

約数和(自身を含む): 19739940

約数和(自身を除く): 6968427

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 5437, 16311, 48933, 146799, 157673, 440397, 473019, 1419057, 4257171, 12771513]

約数ペア:

[(1, 12771513), (3, 4257171), (9, 1419057), (27, 473019), (29, 440397), (81, 157673), (87, 146799), (261, 48933), (783, 16311), (2349, 5437)]