40645059

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{21269}}^1$

素因数の和:21299

約数の個数: 24

約数和(自身を含む): 67893840

約数和(自身を除く): 27248781

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 21269, 63807, 148883, 276497, 446649, 829491, 1042181, 1935479, 3126543, 5806437, 13548353, 40645059]

約数ペア:

[(1, 40645059), (3, 13548353), (7, 5806437), (13, 3126543), (21, 1935479), (39, 1042181), (49, 829491), (91, 446649), (147, 276497), (273, 148883), (637, 63807), (1911, 21269)]