51878781

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{1607}}^1$

素因数の和:1841

約数の個数: 24

約数和(自身を含む): 79769664

約数和(自身を除く): 27890883

約数列:

[1, 3, 9, 17, 51, 153, 211, 633, 1607, 1899, 3587, 4821, 10761, 14463, 27319, 32283, 81957, 245871, 339077, 1017231, 3051693, 5764309, 17292927, 51878781]

約数ペア:

[(1, 51878781), (3, 17292927), (9, 5764309), (17, 3051693), (51, 1017231), (153, 339077), (211, 245871), (633, 81957), (1607, 32283), (1899, 27319), (3587, 14463), (4821, 10761)]