51722145

素因数分解:

$3^4\times 5^1\times {\mathrm{127709}}^1$

素因数の和:127726

約数の個数: 20

約数和(自身を含む): 92717460

約数和(自身を除く): 40995315

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 127709, 383127, 638545, 1149381, 1915635, 3448143, 5746905, 10344429, 17240715, 51722145]

約数ペア:

[(1, 51722145), (3, 17240715), (5, 10344429), (9, 5746905), (15, 3448143), (27, 1915635), (45, 1149381), (81, 638545), (135, 383127), (405, 127709)]