297243219

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{25321}}^1$

素因数の和:25387

約数の個数: 32

約数和(自身を含む): 499147264

約数和(自身を除く): 201904045

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 903, 1677, 3913, 11739, 25321, 75963, 177247, 329173, 531741, 987519, 1088803, 2304211, 3266409, 6912633, 7621621, 14154439, 22864863, 42463317, 99081073, 297243219]

約数ペア:

[(1, 297243219), (3, 99081073), (7, 42463317), (13, 22864863), (21, 14154439), (39, 7621621), (43, 6912633), (91, 3266409), (129, 2304211), (273, 1088803), (301, 987519), (559, 531741), (903, 329173), (1677, 177247), (3913, 75963), (11739, 25321)]