205344139

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1097}}^1$

素因数の和:1156

約数の個数: 48

約数和(自身を含む): 294404544

約数和(自身を除く): 89060405

約数列:

[1, 7, 11, 13, 17, 77, 91, 119, 121, 143, 187, 221, 847, 1001, 1097, 1309, 1547, 1573, 2057, 2431, 7679, 11011, 12067, 14261, 14399, 17017, 18649, 26741, 84469, 99827, 130543, 132737, 156871, 187187, 205139, 242437, 929159, 1098097, 1435973, 1697059, 1725581, 2256529, 2666807, 12079067, 15795703, 18667649, 29334877, 205344139]

約数ペア:

[(1, 205344139), (7, 29334877), (11, 18667649), (13, 15795703), (17, 12079067), (77, 2666807), (91, 2256529), (119, 1725581), (121, 1697059), (143, 1435973), (187, 1098097), (221, 929159), (847, 242437), (1001, 205139), (1097, 187187), (1309, 156871), (1547, 132737), (1573, 130543), (2057, 99827), (2431, 84469), (7679, 26741), (11011, 18649), (12067, 17017), (14261, 14399)]