1810840293

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{721163}}^1$

素因数の和:721206

約数の個数: 20

約数和(自身を含む): 2792347008

約数和(自身を除く): 981506715

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 721163, 2163489, 6490467, 19471401, 22356053, 58414203, 67068159, 201204477, 603613431, 1810840293]

約数ペア:

[(1, 1810840293), (3, 603613431), (9, 201204477), (27, 67068159), (31, 58414203), (81, 22356053), (93, 19471401), (279, 6490467), (837, 2163489), (2511, 721163)]