12927738429

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{419}}^1\times {\mathrm{7187}}^1$

素因数の和:7671

約数の個数: 40

約数和(自身を含む): 19725884640

約数和(自身を除く): 6798146211

約数列:

[1, 3, 9, 27, 53, 81, 159, 419, 477, 1257, 1431, 3771, 4293, 7187, 11313, 21561, 22207, 33939, 64683, 66621, 194049, 199863, 380911, 582147, 599589, 1142733, 1798767, 3011353, 3428199, 9034059, 10284597, 27102177, 30853791, 81306531, 159601709, 243919593, 478805127, 1436415381, 4309246143, 12927738429]

約数ペア:

[(1, 12927738429), (3, 4309246143), (9, 1436415381), (27, 478805127), (53, 243919593), (81, 159601709), (159, 81306531), (419, 30853791), (477, 27102177), (1257, 10284597), (1431, 9034059), (3771, 3428199), (4293, 3011353), (7187, 1798767), (11313, 1142733), (21561, 599589), (22207, 582147), (33939, 380911), (64683, 199863), (66621, 194049)]