51628671

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:781

約数の個数: 40

約数和(自身を含む): 82473600

約数和(自身を除く): 30844929

約数列:

[1, 3, 9, 27, 29, 31, 81, 87, 93, 261, 279, 709, 783, 837, 899, 2127, 2349, 2511, 2697, 6381, 8091, 19143, 20561, 21979, 24273, 57429, 61683, 65937, 72819, 185049, 197811, 555147, 593433, 637391, 1665441, 1780299, 1912173, 5736519, 17209557, 51628671]

約数ペア:

[(1, 51628671), (3, 17209557), (9, 5736519), (27, 1912173), (29, 1780299), (31, 1665441), (81, 637391), (87, 593433), (93, 555147), (261, 197811), (279, 185049), (709, 72819), (783, 65937), (837, 61683), (899, 57429), (2127, 24273), (2349, 21979), (2511, 20561), (2697, 19143), (6381, 8091)]