26490681

素因数分解:

$3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2113}}^1$

素因数の和:2325

約数の個数: 24

約数和(自身を含む): 43971200

約数和(自身を除く): 17480519

約数列:

[1, 3, 7, 9, 21, 63, 199, 597, 1393, 1791, 2113, 4179, 6339, 12537, 14791, 19017, 44373, 133119, 420487, 1261461, 2943409, 3784383, 8830227, 26490681]

約数ペア:

[(1, 26490681), (3, 8830227), (7, 3784383), (9, 2943409), (21, 1261461), (63, 420487), (199, 133119), (597, 44373), (1393, 19017), (1791, 14791), (2113, 12537), (4179, 6339)]