28838457

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 44352000

約数和(自身を除く): 15513543

約数列:

[1, 3, 9, 27, 41, 109, 123, 239, 327, 369, 717, 981, 1107, 2151, 2943, 4469, 6453, 9799, 13407, 26051, 29397, 40221, 78153, 88191, 120663, 234459, 264573, 703377, 1068091, 3204273, 9612819, 28838457]

約数ペア:

[(1, 28838457), (3, 9612819), (9, 3204273), (27, 1068091), (41, 703377), (109, 264573), (123, 234459), (239, 120663), (327, 88191), (369, 78153), (717, 40221), (981, 29397), (1107, 26051), (2151, 13407), (2943, 9799), (4469, 6453)]