7428105

素因数分解:

$3^4\times 5^1\times {\mathrm{18341}}^1$

素因数の和:18358

約数の個数: 20

約数和(自身を含む): 13316292

約数和(自身を除く): 5888187

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 18341, 55023, 91705, 165069, 275115, 495207, 825345, 1485621, 2476035, 7428105]

約数ペア:

[(1, 7428105), (3, 2476035), (5, 1485621), (9, 825345), (15, 495207), (27, 275115), (45, 165069), (81, 91705), (135, 55023), (405, 18341)]