8240391

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:355

約数の個数: 24

約数和(自身を含む): 12355200

約数和(自身を除く): 4114809

約数列:

[1, 3, 9, 43, 107, 129, 199, 321, 387, 597, 963, 1791, 4601, 8557, 13803, 21293, 25671, 41409, 63879, 77013, 191637, 915599, 2746797, 8240391]

約数ペア:

[(1, 8240391), (3, 2746797), (9, 915599), (43, 191637), (107, 77013), (129, 63879), (199, 41409), (321, 25671), (387, 21293), (597, 13803), (963, 8557), (1791, 4601)]