2381805

素因数分解:

$3^4\times 5^1\times {\mathrm{5881}}^1$

素因数の和:5898

約数の個数: 20

約数和(自身を含む): 4270332

約数和(自身を除く): 1888527

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 5881, 17643, 29405, 52929, 88215, 158787, 264645, 476361, 793935, 2381805]

約数ペア:

[(1, 2381805), (3, 793935), (5, 476361), (9, 264645), (15, 158787), (27, 88215), (45, 52929), (81, 29405), (135, 17643), (405, 5881)]