201719903

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{797}}^1$

素因数の和:1007

約数の個数: 32

約数和(自身を含む): 266595840

約数和(自身を除く): 64875937

約数列:

[1, 7, 11, 19, 77, 133, 173, 209, 797, 1211, 1463, 1903, 3287, 5579, 8767, 13321, 15143, 23009, 36157, 61369, 106001, 137881, 166573, 253099, 965167, 1166011, 1516691, 2619739, 10616837, 18338173, 28817129, 201719903]

約数ペア:

[(1, 201719903), (7, 28817129), (11, 18338173), (19, 10616837), (77, 2619739), (133, 1516691), (173, 1166011), (209, 965167), (797, 253099), (1211, 166573), (1463, 137881), (1903, 106001), (3287, 61369), (5579, 36157), (8767, 23009), (13321, 15143)]