3981879

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:173

約数の個数: 40

約数和(自身を含む): 6708240

約数和(自身を除く): 2726361

約数列:

[1, 3, 9, 11, 27, 33, 41, 81, 99, 109, 123, 297, 327, 369, 451, 891, 981, 1107, 1199, 1353, 2943, 3321, 3597, 4059, 4469, 8829, 10791, 12177, 13407, 32373, 36531, 40221, 49159, 97119, 120663, 147477, 361989, 442431, 1327293, 3981879]

約数ペア:

[(1, 3981879), (3, 1327293), (9, 442431), (11, 361989), (27, 147477), (33, 120663), (41, 97119), (81, 49159), (99, 40221), (109, 36531), (123, 32373), (297, 13407), (327, 12177), (369, 10791), (451, 8829), (891, 4469), (981, 4059), (1107, 3597), (1199, 3321), (1353, 2943)]