1374489

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:322

約数の個数: 20

約数和(自身を含む): 2090880

約数和(自身を除く): 716391

約数列:

[1, 3, 9, 27, 71, 81, 213, 239, 639, 717, 1917, 2151, 5751, 6453, 16969, 19359, 50907, 152721, 458163, 1374489]

約数ペア:

[(1, 1374489), (3, 458163), (9, 152721), (27, 50907), (71, 19359), (81, 16969), (213, 6453), (239, 5751), (639, 2151), (717, 1917)]