28106559

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1087}}^1$

素因数の和:1136

約数の個数: 36

約数和(自身を含む): 46590336

約数和(自身を除く): 18483777

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 169, 221, 507, 663, 1087, 1521, 1989, 2873, 3261, 8619, 9783, 14131, 18479, 25857, 42393, 55437, 127179, 166311, 183703, 240227, 551109, 720681, 1653327, 2162043, 3122951, 9368853, 28106559]

約数ペア:

[(1, 28106559), (3, 9368853), (9, 3122951), (13, 2162043), (17, 1653327), (39, 720681), (51, 551109), (117, 240227), (153, 183703), (169, 166311), (221, 127179), (507, 55437), (663, 42393), (1087, 25857), (1521, 18479), (1989, 14131), (2873, 9783), (3261, 8619)]