208058721

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{4759}}^1$

素因数の和:4853

約数の個数: 32

約数和(自身を含む): 319872000

約数和(自身を除く): 111813279

約数列:

[1, 3, 13, 19, 39, 57, 59, 177, 247, 741, 767, 1121, 2301, 3363, 4759, 14277, 14573, 43719, 61867, 90421, 185601, 271263, 280781, 842343, 1175473, 3526419, 3650153, 5334839, 10950459, 16004517, 69352907, 208058721]

約数ペア:

[(1, 208058721), (3, 69352907), (13, 16004517), (19, 10950459), (39, 5334839), (57, 3650153), (59, 3526419), (177, 1175473), (247, 842343), (741, 280781), (767, 271263), (1121, 185601), (2301, 90421), (3363, 61867), (4759, 43719), (14277, 14573)]