209948271

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{967}}^1$

素因数の和:1295

約数の個数: 32

約数和(自身を含む): 318743040

約数和(自身を除く): 108794769

約数列:

[1, 3, 13, 19, 39, 57, 247, 293, 741, 879, 967, 2901, 3809, 5567, 11427, 12571, 16701, 18373, 37713, 55119, 72371, 217113, 238849, 283331, 716547, 849993, 3683303, 5383289, 11049909, 16149867, 69982757, 209948271]

約数ペア:

[(1, 209948271), (3, 69982757), (13, 16149867), (19, 11049909), (39, 5383289), (57, 3683303), (247, 849993), (293, 716547), (741, 283331), (879, 238849), (967, 217113), (2901, 72371), (3809, 55119), (5567, 37713), (11427, 18373), (12571, 16701)]