2587545

素因数分解:

$3^4\times 5^1\times {\mathrm{6389}}^1$

素因数の和:6406

約数の個数: 20

約数和(自身を含む): 4639140

約数和(自身を除く): 2051595

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 6389, 19167, 31945, 57501, 95835, 172503, 287505, 517509, 862515, 2587545]

約数ペア:

[(1, 2587545), (3, 862515), (5, 517509), (9, 287505), (15, 172503), (27, 95835), (45, 57501), (81, 31945), (135, 19167), (405, 6389)]