387291213

素因数分解:

$3^5\times {\mathrm{199}}^1\times {\mathrm{8009}}^1$

素因数の和:8223

約数の個数: 24

約数和(自身を含む): 583128000

約数和(自身を除く): 195836787

約数列:

[1, 3, 9, 27, 81, 199, 243, 597, 1791, 5373, 8009, 16119, 24027, 48357, 72081, 216243, 648729, 1593791, 1946187, 4781373, 14344119, 43032357, 129097071, 387291213]

約数ペア:

[(1, 387291213), (3, 129097071), (9, 43032357), (27, 14344119), (81, 4781373), (199, 1946187), (243, 1593791), (597, 648729), (1791, 216243), (5373, 72081), (8009, 48357), (16119, 24027)]