667020339

素因数分解:

$3^4\times {\mathrm{199}}^1\times {\mathrm{41381}}^1$

素因数の和:41592

約数の個数: 20

約数和(自身を含む): 1001444400

約数和(自身を除く): 334424061

約数列:

[1, 3, 9, 27, 81, 199, 597, 1791, 5373, 16119, 41381, 124143, 372429, 1117287, 3351861, 8234819, 24704457, 74113371, 222340113, 667020339]

約数ペア:

[(1, 667020339), (3, 222340113), (9, 74113371), (27, 24704457), (81, 8234819), (199, 3351861), (597, 1117287), (1791, 372429), (5373, 124143), (16119, 41381)]