16978137

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 25937280

約数和(自身を除く): 8959143

約数列:

[1, 3, 11, 29, 33, 87, 113, 157, 319, 339, 471, 957, 1243, 1727, 3277, 3729, 4553, 5181, 9831, 13659, 17741, 36047, 50083, 53223, 108141, 150249, 195151, 514489, 585453, 1543467, 5659379, 16978137]

約数ペア:

[(1, 16978137), (3, 5659379), (11, 1543467), (29, 585453), (33, 514489), (87, 195151), (113, 150249), (157, 108141), (319, 53223), (339, 50083), (471, 36047), (957, 17741), (1243, 13659), (1727, 9831), (3277, 5181), (3729, 4553)]