205603905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{15737}}^1$

素因数の和:15825

約数の個数: 32

約数和(自身を含む): 359581824

約数和(自身を除く): 153977919

約数列:

[1, 3, 5, 13, 15, 39, 65, 67, 195, 201, 335, 871, 1005, 2613, 4355, 13065, 15737, 47211, 78685, 204581, 236055, 613743, 1022905, 1054379, 3068715, 3163137, 5271895, 13706927, 15815685, 41120781, 68534635, 205603905]

約数ペア:

[(1, 205603905), (3, 68534635), (5, 41120781), (13, 15815685), (15, 13706927), (39, 5271895), (65, 3163137), (67, 3068715), (195, 1054379), (201, 1022905), (335, 613743), (871, 236055), (1005, 204581), (2613, 78685), (4355, 47211), (13065, 15737)]