81575901

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{173}}^1\times {\mathrm{433}}^1$

素因数の和:634

約数の個数: 36

約数和(自身を含む): 130567164

約数和(自身を除く): 48991263

約数列:

[1, 3, 9, 11, 33, 99, 121, 173, 363, 433, 519, 1089, 1299, 1557, 1903, 3897, 4763, 5709, 14289, 17127, 20933, 42867, 52393, 62799, 74909, 157179, 188397, 224727, 471537, 674181, 823999, 2471997, 7415991, 9063989, 27191967, 81575901]

約数ペア:

[(1, 81575901), (3, 27191967), (9, 9063989), (11, 7415991), (33, 2471997), (99, 823999), (121, 674181), (173, 471537), (363, 224727), (433, 188397), (519, 157179), (1089, 74909), (1299, 62799), (1557, 52393), (1903, 42867), (3897, 20933), (4763, 17127), (5709, 14289)]