2181897

素因数分解:

$3^6\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:132

約数の個数: 28

約数和(自身を含む): 3397044

約数和(自身を除く): 1215147

約数列:

[1, 3, 9, 27, 41, 73, 81, 123, 219, 243, 369, 657, 729, 1107, 1971, 2993, 3321, 5913, 8979, 9963, 17739, 26937, 29889, 53217, 80811, 242433, 727299, 2181897]

約数ペア:

[(1, 2181897), (3, 727299), (9, 242433), (27, 80811), (41, 53217), (73, 29889), (81, 26937), (123, 17739), (219, 9963), (243, 8979), (369, 5913), (657, 3321), (729, 2993), (1107, 1971)]