78152991

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{14369}}^1$

素因数の和:14423

約数の個数: 24

約数和(自身を含む): 124501680

約数和(自身を除く): 46348689

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1813, 5439, 14369, 43107, 100583, 301749, 531653, 704081, 1594959, 2112243, 3721571, 11164713, 26050997, 78152991]

約数ペア:

[(1, 78152991), (3, 26050997), (7, 11164713), (21, 3721571), (37, 2112243), (49, 1594959), (111, 704081), (147, 531653), (259, 301749), (777, 100583), (1813, 43107), (5439, 14369)]