489356721

素因数分解:

$3^4\times 7^1\times {\mathrm{199}}^1\times {\mathrm{4337}}^1$

素因数の和:4555

約数の個数: 40

約数和(自身を含む): 839836800

約数和(自身を除く): 350480079

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 199, 567, 597, 1393, 1791, 4179, 4337, 5373, 12537, 13011, 16119, 30359, 37611, 39033, 91077, 112833, 117099, 273231, 351297, 819693, 863063, 2459079, 2589189, 6041441, 7767567, 18124323, 23302701, 54372969, 69908103, 163118907, 489356721]

約数ペア:

[(1, 489356721), (3, 163118907), (7, 69908103), (9, 54372969), (21, 23302701), (27, 18124323), (63, 7767567), (81, 6041441), (189, 2589189), (199, 2459079), (567, 863063), (597, 819693), (1393, 351297), (1791, 273231), (4179, 117099), (4337, 112833), (5373, 91077), (12537, 39033), (13011, 37611), (16119, 30359)]