210202993

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 290727360

約数和(自身を除く): 80524367

約数列:

[1, 7, 11, 13, 49, 77, 91, 131, 143, 229, 539, 637, 917, 1001, 1441, 1603, 1703, 2519, 2977, 6419, 7007, 10087, 11221, 11921, 17633, 18733, 20839, 29999, 32747, 70609, 83447, 123431, 131131, 145873, 209993, 229229, 329989, 389987, 917917, 1469951, 1604603, 2309923, 2729909, 4289857, 16169461, 19109363, 30028999, 210202993]

約数ペア:

[(1, 210202993), (7, 30028999), (11, 19109363), (13, 16169461), (49, 4289857), (77, 2729909), (91, 2309923), (131, 1604603), (143, 1469951), (229, 917917), (539, 389987), (637, 329989), (917, 229229), (1001, 209993), (1441, 145873), (1603, 131131), (1703, 123431), (2519, 83447), (2977, 70609), (6419, 32747), (7007, 29999), (10087, 20839), (11221, 18733), (11921, 17633)]