1972143

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{607}}^1$

素因数の和:651

約数の個数: 18

約数和(自身を含む): 3011424

約数和(自身を除く): 1039281

約数列:

[1, 3, 9, 19, 57, 171, 361, 607, 1083, 1821, 3249, 5463, 11533, 34599, 103797, 219127, 657381, 1972143]

約数ペア:

[(1, 1972143), (3, 657381), (9, 219127), (19, 103797), (57, 34599), (171, 11533), (361, 5463), (607, 3249), (1083, 1821)]