2551905

素因数分解:

$3^4\times 5^1\times {\mathrm{6301}}^1$

素因数の和:6318

約数の個数: 20

約数和(自身を含む): 4575252

約数和(自身を除く): 2023347

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 6301, 18903, 31505, 56709, 94515, 170127, 283545, 510381, 850635, 2551905]

約数ペア:

[(1, 2551905), (3, 850635), (5, 510381), (9, 283545), (15, 170127), (27, 94515), (45, 56709), (81, 31505), (135, 18903), (405, 6301)]