257029353

素因数分解:

$3^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{8699}}^1$

素因数の和:8786

約数の個数: 36

約数和(自身を含む): 438375600

約数和(自身を除く): 181346247

約数列:

[1, 3, 7, 9, 21, 49, 63, 67, 147, 201, 441, 469, 603, 1407, 3283, 4221, 8699, 9849, 26097, 29547, 60893, 78291, 182679, 426251, 548037, 582833, 1278753, 1748499, 3836259, 4079831, 5245497, 12239493, 28558817, 36718479, 85676451, 257029353]

約数ペア:

[(1, 257029353), (3, 85676451), (7, 36718479), (9, 28558817), (21, 12239493), (49, 5245497), (63, 4079831), (67, 3836259), (147, 1748499), (201, 1278753), (441, 582833), (469, 548037), (603, 426251), (1407, 182679), (3283, 78291), (4221, 60893), (8699, 29547), (9849, 26097)]