1666413

素因数分解:

$3^4\times 7^1\times {\mathrm{2939}}^1$

素因数の和:2958

約数の個数: 20

約数和(自身を含む): 2845920

約数和(自身を除く): 1179507

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 2939, 8817, 20573, 26451, 61719, 79353, 185157, 238059, 555471, 1666413]

約数ペア:

[(1, 1666413), (3, 555471), (7, 238059), (9, 185157), (21, 79353), (27, 61719), (63, 26451), (81, 20573), (189, 8817), (567, 2939)]