16987089

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{8009}}^1$

素因数の和:8120

約数の個数: 16

約数和(自身を含む): 26144640

約数和(自身を除く): 9157551

約数列:

[1, 3, 7, 21, 101, 303, 707, 2121, 8009, 24027, 56063, 168189, 808909, 2426727, 5662363, 16987089]

約数ペア:

[(1, 16987089), (3, 5662363), (7, 2426727), (21, 808909), (101, 168189), (303, 56063), (707, 24027), (2121, 8009)]