7213455

素因数分解:

$3^6\times 5^1\times {\mathrm{1979}}^1$

素因数の和:2002

約数の個数: 28

約数和(自身を含む): 12984840

約数和(自身を除く): 5771385

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 1979, 3645, 5937, 9895, 17811, 29685, 53433, 89055, 160299, 267165, 480897, 801495, 1442691, 2404485, 7213455]

約数ペア:

[(1, 7213455), (3, 2404485), (5, 1442691), (9, 801495), (15, 480897), (27, 267165), (45, 160299), (81, 89055), (135, 53433), (243, 29685), (405, 17811), (729, 9895), (1215, 5937), (1979, 3645)]