78325317

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1082

約数の個数: 48

約数和(自身を含む): 137005440

約数和(自身を除く): 58680123

約数列:

[1, 3, 7, 9, 21, 29, 43, 63, 87, 129, 203, 261, 301, 387, 609, 903, 997, 1247, 1827, 2709, 2991, 3741, 6979, 8729, 8973, 11223, 20937, 26187, 28913, 42871, 62811, 78561, 86739, 128613, 202391, 260217, 300097, 385839, 607173, 900291, 1243259, 1821519, 2700873, 3729777, 8702813, 11189331, 26108439, 78325317]

約数ペア:

[(1, 78325317), (3, 26108439), (7, 11189331), (9, 8702813), (21, 3729777), (29, 2700873), (43, 1821519), (63, 1243259), (87, 900291), (129, 607173), (203, 385839), (261, 300097), (301, 260217), (387, 202391), (609, 128613), (903, 86739), (997, 78561), (1247, 62811), (1827, 42871), (2709, 28913), (2991, 26187), (3741, 20937), (6979, 11223), (8729, 8973)]