28004805

素因数分解:

$3^3\times 5^1\times {\mathrm{207443}}^1$

素因数の和:207457

約数の個数: 16

約数和(自身を含む): 49786560

約数和(自身を除く): 21781755

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 207443, 622329, 1037215, 1866987, 3111645, 5600961, 9334935, 28004805]

約数ペア:

[(1, 28004805), (3, 9334935), (5, 5600961), (9, 3111645), (15, 1866987), (27, 1037215), (45, 622329), (135, 207443)]