15571431

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2221}}^1$

素因数の和:2287

約数の個数: 24

約数和(自身を含む): 24264240

約数和(自身を除く): 8692809

約数列:

[1, 3, 9, 19, 41, 57, 123, 171, 369, 779, 2221, 2337, 6663, 7011, 19989, 42199, 91061, 126597, 273183, 379791, 819549, 1730159, 5190477, 15571431]

約数ペア:

[(1, 15571431), (3, 5190477), (9, 1730159), (19, 819549), (41, 379791), (57, 273183), (123, 126597), (171, 91061), (369, 42199), (779, 19989), (2221, 7011), (2337, 6663)]