201658863

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{523}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 325919616

約数和(自身を除く): 124260753

約数列:

[1, 3, 7, 21, 43, 49, 61, 129, 147, 183, 301, 427, 523, 903, 1281, 1569, 2107, 2623, 2989, 3661, 6321, 7869, 8967, 10983, 18361, 22489, 25627, 31903, 55083, 67467, 76881, 95709, 128527, 157423, 223321, 385581, 472269, 669963, 1101961, 1371829, 1563247, 3305883, 4115487, 4689741, 9602803, 28808409, 67219621, 201658863]

約数ペア:

[(1, 201658863), (3, 67219621), (7, 28808409), (21, 9602803), (43, 4689741), (49, 4115487), (61, 3305883), (129, 1563247), (147, 1371829), (183, 1101961), (301, 669963), (427, 472269), (523, 385581), (903, 223321), (1281, 157423), (1569, 128527), (2107, 95709), (2623, 76881), (2989, 67467), (3661, 55083), (6321, 31903), (7869, 25627), (8967, 22489), (10983, 18361)]