826626789

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{248909}}^1$

素因数の和:248962

約数の個数: 20

約数和(自身を含む): 1264960620

約数和(自身を除く): 438333831

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 248909, 746727, 2240181, 6720543, 10205269, 20161629, 30615807, 91847421, 275542263, 826626789]

約数ペア:

[(1, 826626789), (3, 275542263), (9, 91847421), (27, 30615807), (41, 20161629), (81, 10205269), (123, 6720543), (369, 2240181), (1107, 746727), (3321, 248909)]