78444009

素因数分解:

$3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{6257}}^1$

素因数の和:6469

約数の個数: 24

約数和(自身を含む): 130166400

約数和(自身を除く): 51722391

約数列:

[1, 3, 7, 9, 21, 63, 199, 597, 1393, 1791, 4179, 6257, 12537, 18771, 43799, 56313, 131397, 394191, 1245143, 3735429, 8716001, 11206287, 26148003, 78444009]

約数ペア:

[(1, 78444009), (3, 26148003), (7, 11206287), (9, 8716001), (21, 3735429), (63, 1245143), (199, 394191), (597, 131397), (1393, 56313), (1791, 43799), (4179, 18771), (6257, 12537)]