28043847

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{733}}^1$

素因数の和:864

約数の個数: 32

約数和(自身を含む): 45214400

約数和(自身を除く): 17170553

約数列:

[1, 3, 9, 13, 27, 39, 109, 117, 327, 351, 733, 981, 1417, 2199, 2943, 4251, 6597, 9529, 12753, 19791, 28587, 38259, 79897, 85761, 239691, 257283, 719073, 1038661, 2157219, 3115983, 9347949, 28043847]

約数ペア:

[(1, 28043847), (3, 9347949), (9, 3115983), (13, 2157219), (27, 1038661), (39, 719073), (109, 257283), (117, 239691), (327, 85761), (351, 79897), (733, 38259), (981, 28587), (1417, 19791), (2199, 12753), (2943, 9529), (4251, 6597)]