1284489

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{59}}^2$

素因数の和:165

約数の個数: 18

約数和(自身を含む): 1933386

約数和(自身を除く): 648897

約数列:

[1, 3, 9, 41, 59, 123, 177, 369, 531, 2419, 3481, 7257, 10443, 21771, 31329, 142721, 428163, 1284489]

約数ペア:

[(1, 1284489), (3, 428163), (9, 142721), (41, 31329), (59, 21771), (123, 10443), (177, 7257), (369, 3481), (531, 2419)]