2758847

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:159

約数の個数: 24

約数和(自身を含む): 3562272

約数和(自身を除く): 803425

約数列:

[1, 7, 13, 49, 61, 71, 91, 427, 497, 637, 793, 923, 2989, 3479, 4331, 5551, 6461, 30317, 38857, 45227, 56303, 212219, 394121, 2758847]

約数ペア:

[(1, 2758847), (7, 394121), (13, 212219), (49, 56303), (61, 45227), (71, 38857), (91, 30317), (427, 6461), (497, 5551), (637, 4331), (793, 3479), (923, 2989)]