17221239

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{14387}}^1$

素因数の和:14419

約数の個数: 24

約数和(自身を含む): 29927040

約数和(自身を除く): 12705801

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 14387, 43161, 100709, 129483, 273353, 302127, 820059, 906381, 1913471, 2460177, 5740413, 17221239]

約数ペア:

[(1, 17221239), (3, 5740413), (7, 2460177), (9, 1913471), (19, 906381), (21, 820059), (57, 302127), (63, 273353), (133, 129483), (171, 100709), (399, 43161), (1197, 14387)]