17320989

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43411}}^1$

素因数の和:43440

約数の個数: 16

約数和(自身を含む): 27783680

約数和(自身を除く): 10462691

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 43411, 130233, 303877, 824809, 911631, 2474427, 5773663, 17320989]

約数ペア:

[(1, 17320989), (3, 5773663), (7, 2474427), (19, 911631), (21, 824809), (57, 303877), (133, 130233), (399, 43411)]