289441719

素因数分解:

$3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{23087}}^1$

素因数の和:23299

約数の個数: 24

約数和(自身を含む): 480230400

約数和(自身を除く): 190788681

約数列:

[1, 3, 7, 9, 21, 63, 199, 597, 1393, 1791, 4179, 12537, 23087, 69261, 161609, 207783, 484827, 1454481, 4594313, 13782939, 32160191, 41348817, 96480573, 289441719]

約数ペア:

[(1, 289441719), (3, 96480573), (7, 41348817), (9, 32160191), (21, 13782939), (63, 4594313), (199, 1454481), (597, 484827), (1393, 207783), (1791, 161609), (4179, 69261), (12537, 23087)]