40804701

素因数分解:

$3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{1997}}^1$

素因数の和:2153

約数の個数: 24

約数和(自身を含む): 63776160

約数和(自身を除く): 22971459

約数列:

[1, 3, 7, 21, 49, 139, 147, 417, 973, 1997, 2919, 5991, 6811, 13979, 20433, 41937, 97853, 277583, 293559, 832749, 1943081, 5829243, 13601567, 40804701]

約数ペア:

[(1, 40804701), (3, 13601567), (7, 5829243), (21, 1943081), (49, 832749), (139, 293559), (147, 277583), (417, 97853), (973, 41937), (1997, 20433), (2919, 13979), (5991, 6811)]