128686209

素因数分解:

$3^1\times {\mathrm{17}}^3\times {\mathrm{8731}}^1$

素因数の和:8785

約数の個数: 16

約数和(自身を含む): 182324160

約数和(自身を除く): 53637951

約数列:

[1, 3, 17, 51, 289, 867, 4913, 8731, 14739, 26193, 148427, 445281, 2523259, 7569777, 42895403, 128686209]

約数ペア:

[(1, 128686209), (3, 42895403), (17, 7569777), (51, 2523259), (289, 445281), (867, 148427), (4913, 26193), (8731, 14739)]