71693517

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^2\times {\mathrm{193}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 118262400

約数和(自身を除く): 46568883

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 193, 343, 361, 399, 579, 931, 1029, 1083, 1351, 2527, 2793, 3667, 4053, 6517, 7581, 9457, 11001, 17689, 19551, 25669, 28371, 53067, 66199, 69673, 77007, 123823, 179683, 198597, 209019, 371469, 487711, 539049, 1257781, 1463133, 3413977, 3773343, 10241931, 23897839, 71693517]

約数ペア:

[(1, 71693517), (3, 23897839), (7, 10241931), (19, 3773343), (21, 3413977), (49, 1463133), (57, 1257781), (133, 539049), (147, 487711), (193, 371469), (343, 209019), (361, 198597), (399, 179683), (579, 123823), (931, 77007), (1029, 69673), (1083, 66199), (1351, 53067), (2527, 28371), (2793, 25669), (3667, 19551), (4053, 17689), (6517, 11001), (7581, 9457)]