16984989

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{15859}}^1$

素因数の和:15889

約数の個数: 24

約数和(自身を含む): 29689920

約数和(自身を除く): 12704931

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 15859, 47577, 111013, 142731, 269603, 333039, 808809, 999117, 1887221, 2426427, 5661663, 16984989]

約数ペア:

[(1, 16984989), (3, 5661663), (7, 2426427), (9, 1887221), (17, 999117), (21, 808809), (51, 333039), (63, 269603), (119, 142731), (153, 111013), (357, 47577), (1071, 15859)]