142149959

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{20533}}^1$

素因数の和:20606

約数の個数: 16

約数和(自身を含む): 173471232

約数和(自身を除く): 31321273

約数列:

[1, 7, 23, 43, 161, 301, 989, 6923, 20533, 143731, 472259, 882919, 3305813, 6180433, 20307137, 142149959]

約数ペア:

[(1, 142149959), (7, 20307137), (23, 6180433), (43, 3305813), (161, 882919), (301, 472259), (989, 143731), (6923, 20533)]