128564127

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{12743}}^1$

素因数の和:12827

約数の個数: 24

約数和(自身を含む): 198806400

約数和(自身を除く): 70242273

約数列:

[1, 3, 9, 19, 57, 59, 171, 177, 531, 1121, 3363, 10089, 12743, 38229, 114687, 242117, 726351, 751837, 2179053, 2255511, 6766533, 14284903, 42854709, 128564127]

約数ペア:

[(1, 128564127), (3, 42854709), (9, 14284903), (19, 6766533), (57, 2255511), (59, 2179053), (171, 751837), (177, 726351), (531, 242117), (1121, 114687), (3363, 38229), (10089, 12743)]