1215600981

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1\times {\mathrm{4409}}^1$

素因数の和:5129

約数の個数: 32

約数和(自身を含む): 1953100800

約数和(自身を除く): 737499819

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 691, 2073, 4409, 4837, 13129, 13227, 14511, 30863, 39387, 83771, 91903, 92589, 251313, 275709, 586397, 1759191, 3046619, 9139857, 21326333, 57885761, 63978999, 173657283, 405200327, 1215600981]

約数ペア:

[(1, 1215600981), (3, 405200327), (7, 173657283), (19, 63978999), (21, 57885761), (57, 21326333), (133, 9139857), (399, 3046619), (691, 1759191), (2073, 586397), (4409, 275709), (4837, 251313), (13129, 92589), (13227, 91903), (14511, 83771), (30863, 39387)]