78602751

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{313}}^1$

素因数の和:524

約数の個数: 32

約数和(自身を含む): 119370240

約数和(自身を除く): 40767489

約数列:

[1, 3, 9, 27, 71, 131, 213, 313, 393, 639, 939, 1179, 1917, 2817, 3537, 8451, 9301, 22223, 27903, 41003, 66669, 83709, 123009, 200007, 251127, 369027, 600021, 1107081, 2911213, 8733639, 26200917, 78602751]

約数ペア:

[(1, 78602751), (3, 26200917), (9, 8733639), (27, 2911213), (71, 1107081), (131, 600021), (213, 369027), (313, 251127), (393, 200007), (639, 123009), (939, 83709), (1179, 66669), (1917, 41003), (2817, 27903), (3537, 22223), (8451, 9301)]