207978039

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{3119}}^1$

素因数の和:3395

約数の個数: 24

約数和(自身を含む): 311500800

約数和(自身を除く): 103522761

約数列:

[1, 3, 9, 31, 93, 239, 279, 717, 2151, 3119, 7409, 9357, 22227, 28071, 66681, 96689, 290067, 745441, 870201, 2236323, 6708969, 23108671, 69326013, 207978039]

約数ペア:

[(1, 207978039), (3, 69326013), (9, 23108671), (31, 6708969), (93, 2236323), (239, 870201), (279, 745441), (717, 290067), (2151, 96689), (3119, 66681), (7409, 28071), (9357, 22227)]