16397901

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{10781}}^1$

素因数の和:10813

約数の個数: 18

約数和(自身を含む): 25650378

約数和(自身を除く): 9252477

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 10781, 32343, 97029, 140153, 420459, 1261377, 1821989, 5465967, 16397901]

約数ペア:

[(1, 16397901), (3, 5465967), (9, 1821989), (13, 1261377), (39, 420459), (117, 140153), (169, 97029), (507, 32343), (1521, 10781)]