40804407

素因数分解:

$3^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{1381}}^1$

素因数の和:1468

約数の個数: 36

約数和(自身を含む): 69636216

約数和(自身を除く): 28831809

約数列:

[1, 3, 7, 9, 21, 49, 63, 67, 147, 201, 441, 469, 603, 1381, 1407, 3283, 4143, 4221, 9667, 9849, 12429, 29001, 29547, 67669, 87003, 92527, 203007, 277581, 609021, 647689, 832743, 1943067, 4533823, 5829201, 13601469, 40804407]

約数ペア:

[(1, 40804407), (3, 13601469), (7, 5829201), (9, 4533823), (21, 1943067), (49, 832743), (63, 647689), (67, 609021), (147, 277581), (201, 203007), (441, 92527), (469, 87003), (603, 67669), (1381, 29547), (1407, 29001), (3283, 12429), (4143, 9849), (4221, 9667)]