28740735

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 51757056

約数和(自身を除く): 23016321

約数列:

[1, 3, 5, 9, 15, 45, 47, 107, 127, 141, 235, 321, 381, 423, 535, 635, 705, 963, 1143, 1605, 1905, 2115, 4815, 5029, 5715, 5969, 13589, 15087, 17907, 25145, 29845, 40767, 45261, 53721, 67945, 75435, 89535, 122301, 203835, 226305, 268605, 611505, 638683, 1916049, 3193415, 5748147, 9580245, 28740735]

約数ペア:

[(1, 28740735), (3, 9580245), (5, 5748147), (9, 3193415), (15, 1916049), (45, 638683), (47, 611505), (107, 268605), (127, 226305), (141, 203835), (235, 122301), (321, 89535), (381, 75435), (423, 67945), (535, 53721), (635, 45261), (705, 40767), (963, 29845), (1143, 25145), (1605, 17907), (1905, 15087), (2115, 13589), (4815, 5969), (5029, 5715)]