1985373

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:329

約数の個数: 24

約数和(自身を含む): 3144960

約数和(自身を除く): 1159587

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 239, 639, 717, 923, 2151, 2769, 3107, 8307, 9321, 16969, 27963, 50907, 152721, 220597, 661791, 1985373]

約数ペア:

[(1, 1985373), (3, 661791), (9, 220597), (13, 152721), (39, 50907), (71, 27963), (117, 16969), (213, 9321), (239, 8307), (639, 3107), (717, 2769), (923, 2151)]