6988989

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19577}}^1$

素因数の和:19604

約数の個数: 16

約数和(自身を含む): 11276928

約数和(自身を除く): 4287939

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 19577, 58731, 137039, 332809, 411117, 998427, 2329663, 6988989]

約数ペア:

[(1, 6988989), (3, 2329663), (7, 998427), (17, 411117), (21, 332809), (51, 137039), (119, 58731), (357, 19577)]