40587141

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{6421}}^1$

素因数の和:6481

約数の個数: 24

約数和(自身を含む): 64425504

約数和(自身を除く): 23838363

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 6321, 6421, 19263, 44947, 134841, 276103, 314629, 828309, 943887, 1932721, 5798163, 13529047, 40587141]

約数ペア:

[(1, 40587141), (3, 13529047), (7, 5798163), (21, 1932721), (43, 943887), (49, 828309), (129, 314629), (147, 276103), (301, 134841), (903, 44947), (2107, 19263), (6321, 6421)]