2008387845

素因数分解:

$3^3\times 5^1\times {\mathrm{709}}^1\times {\mathrm{20983}}^1$

素因数の和:21706

約数の個数: 32

約数和(自身を含む): 3575673600

約数和(自身を除く): 1567285755

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 709, 2127, 3545, 6381, 10635, 19143, 20983, 31905, 62949, 95715, 104915, 188847, 314745, 566541, 944235, 2832705, 14876947, 44630841, 74384735, 133892523, 223154205, 401677569, 669462615, 2008387845]

約数ペア:

[(1, 2008387845), (3, 669462615), (5, 401677569), (9, 223154205), (15, 133892523), (27, 74384735), (45, 44630841), (135, 14876947), (709, 2832705), (2127, 944235), (3545, 566541), (6381, 314745), (10635, 188847), (19143, 104915), (20983, 95715), (31905, 62949)]