81969381

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{673}}^1$

素因数の和:1042

約数の個数: 32

約数和(自身を含む): 131349120

約数和(自身を除く): 49379739

約数列:

[1, 3, 9, 13, 27, 39, 117, 347, 351, 673, 1041, 2019, 3123, 4511, 6057, 8749, 9369, 13533, 18171, 26247, 40599, 78741, 121797, 233531, 236223, 700593, 2101779, 3035903, 6305337, 9107709, 27323127, 81969381]

約数ペア:

[(1, 81969381), (3, 27323127), (9, 9107709), (13, 6305337), (27, 3035903), (39, 2101779), (117, 700593), (347, 236223), (351, 233531), (673, 121797), (1041, 78741), (2019, 40599), (3123, 26247), (4511, 18171), (6057, 13533), (8749, 9369)]