493950417

素因数分解:

$3^1\times {\mathrm{29}}^3\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:290

約数の個数: 32

約数和(自身を含む): 702430080

約数和(自身を除く): 208479663

約数列:

[1, 3, 29, 43, 87, 129, 157, 471, 841, 1247, 2523, 3741, 4553, 6751, 13659, 20253, 24389, 36163, 73167, 108489, 132037, 195779, 396111, 587337, 1048727, 3146181, 3829073, 5677591, 11487219, 17032773, 164650139, 493950417]

約数ペア:

[(1, 493950417), (3, 164650139), (29, 17032773), (43, 11487219), (87, 5677591), (129, 3829073), (157, 3146181), (471, 1048727), (841, 587337), (1247, 396111), (2523, 195779), (3741, 132037), (4553, 108489), (6751, 73167), (13659, 36163), (20253, 24389)]