207821471

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 251328000

約数和(自身を除く): 43506529

約数列:

[1, 11, 13, 67, 109, 143, 199, 737, 871, 1199, 1417, 2189, 2587, 7303, 9581, 13333, 15587, 21691, 28457, 80333, 94939, 146663, 173329, 238601, 281983, 1044329, 1453297, 1906619, 3101813, 15986267, 18892861, 207821471]

約数ペア:

[(1, 207821471), (11, 18892861), (13, 15986267), (67, 3101813), (109, 1906619), (143, 1453297), (199, 1044329), (737, 281983), (871, 238601), (1199, 173329), (1417, 146663), (2189, 94939), (2587, 80333), (7303, 28457), (9581, 21691), (13333, 15587)]