81966573

素因数分解:

$3^8\times {\mathrm{13}}^1\times {\mathrm{31}}^2$

素因数の和:99

約数の個数: 54

約数和(自身を含む): 136809582

約数和(自身を除く): 54843009

約数列:

[1, 3, 9, 13, 27, 31, 39, 81, 93, 117, 243, 279, 351, 403, 729, 837, 961, 1053, 1209, 2187, 2511, 2883, 3159, 3627, 6561, 7533, 8649, 9477, 10881, 12493, 22599, 25947, 28431, 32643, 37479, 67797, 77841, 85293, 97929, 112437, 203391, 233523, 293787, 337311, 700569, 881361, 1011933, 2101707, 2644083, 3035799, 6305121, 9107397, 27322191, 81966573]

約数ペア:

[(1, 81966573), (3, 27322191), (9, 9107397), (13, 6305121), (27, 3035799), (31, 2644083), (39, 2101707), (81, 1011933), (93, 881361), (117, 700569), (243, 337311), (279, 293787), (351, 233523), (403, 203391), (729, 112437), (837, 97929), (961, 85293), (1053, 77841), (1209, 67797), (2187, 37479), (2511, 32643), (2883, 28431), (3159, 25947), (3627, 22599), (6561, 12493), (7533, 10881), (8649, 9477)]