208075635

素因数分解:

$3^4\times 5^1\times {\mathrm{513767}}^1$

素因数の和:513784

約数の個数: 20

約数和(自身を含む): 372995568

約数和(自身を除く): 164919933

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 513767, 1541301, 2568835, 4623903, 7706505, 13871709, 23119515, 41615127, 69358545, 208075635]

約数ペア:

[(1, 208075635), (3, 69358545), (5, 41615127), (9, 23119515), (15, 13871709), (27, 7706505), (45, 4623903), (81, 2568835), (135, 1541301), (405, 513767)]