128536737

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{709}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 200390400

約数和(自身を除く): 71853663

約数列:

[1, 3, 7, 21, 89, 97, 267, 291, 623, 679, 709, 1869, 2037, 2127, 4963, 8633, 14889, 25899, 60431, 63101, 68773, 181293, 189303, 206319, 441707, 481411, 1325121, 1444233, 6120797, 18362391, 42845579, 128536737]

約数ペア:

[(1, 128536737), (3, 42845579), (7, 18362391), (21, 6120797), (89, 1444233), (97, 1325121), (267, 481411), (291, 441707), (623, 206319), (679, 189303), (709, 181293), (1869, 68773), (2037, 63101), (2127, 60431), (4963, 25899), (8633, 14889)]