421767

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:180

約数の個数: 20

約数和(自身を含む): 650496

約数和(自身を除く): 228729

約数列:

[1, 3, 9, 27, 41, 81, 123, 127, 369, 381, 1107, 1143, 3321, 3429, 5207, 10287, 15621, 46863, 140589, 421767]

約数ペア:

[(1, 421767), (3, 140589), (9, 46863), (27, 15621), (41, 10287), (81, 5207), (123, 3429), (127, 3321), (369, 1143), (381, 1107)]