215550981

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{449}}^1\times {\mathrm{1301}}^1$

素因数の和:1797

約数の個数: 24

約数和(自身を含む): 319901400

約数和(自身を除く): 104350419

約数列:

[1, 3, 9, 41, 123, 369, 449, 1301, 1347, 3903, 4041, 11709, 18409, 53341, 55227, 160023, 165681, 480069, 584149, 1752447, 5257341, 23950109, 71850327, 215550981]

約数ペア:

[(1, 215550981), (3, 71850327), (9, 23950109), (41, 5257341), (123, 1752447), (369, 584149), (449, 480069), (1301, 165681), (1347, 160023), (3903, 55227), (4041, 53341), (11709, 18409)]