129097071

素因数分解:

$3^4\times {\mathrm{199}}^1\times {\mathrm{8009}}^1$

素因数の和:8220

約数の個数: 20

約数和(自身を含む): 193842000

約数和(自身を除く): 64744929

約数列:

[1, 3, 9, 27, 81, 199, 597, 1791, 5373, 8009, 16119, 24027, 72081, 216243, 648729, 1593791, 4781373, 14344119, 43032357, 129097071]

約数ペア:

[(1, 129097071), (3, 43032357), (9, 14344119), (27, 4781373), (81, 1593791), (199, 648729), (597, 216243), (1791, 72081), (5373, 24027), (8009, 16119)]