637664841

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{1237}}^1$

素因数の和:1422

約数の個数: 48

約数和(自身を含む): 1038256128

約数和(自身を除く): 400591287

約数列:

[1, 3, 9, 11, 33, 41, 99, 123, 127, 369, 381, 451, 1143, 1237, 1353, 1397, 3711, 4059, 4191, 5207, 11133, 12573, 13607, 15621, 40821, 46863, 50717, 57277, 122463, 152151, 157099, 171831, 456453, 471297, 515493, 557887, 1413891, 1673661, 1728089, 5020983, 5184267, 6441059, 15552801, 19323177, 57969531, 70851649, 212554947, 637664841]

約数ペア:

[(1, 637664841), (3, 212554947), (9, 70851649), (11, 57969531), (33, 19323177), (41, 15552801), (99, 6441059), (123, 5184267), (127, 5020983), (369, 1728089), (381, 1673661), (451, 1413891), (1143, 557887), (1237, 515493), (1353, 471297), (1397, 456453), (3711, 171831), (4059, 157099), (4191, 152151), (5207, 122463), (11133, 57277), (12573, 50717), (13607, 46863), (15621, 40821)]