13660449

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21787}}^1$

素因数の和:21820

約数の個数: 16

約数和(自身を含む): 20916480

約数和(自身を除く): 7256031

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 21787, 65361, 239657, 413953, 718971, 1241859, 4553483, 13660449]

約数ペア:

[(1, 13660449), (3, 4553483), (11, 1241859), (19, 718971), (33, 413953), (57, 239657), (209, 65361), (627, 21787)]