16980939

素因数分解:

$3^2\times {\mathrm{1201}}^1\times {\mathrm{1571}}^1$

素因数の和:2778

約数の個数: 12

約数和(自身を含む): 24564072

約数和(自身を除く): 7583133

約数列:

[1, 3, 9, 1201, 1571, 3603, 4713, 10809, 14139, 1886771, 5660313, 16980939]

約数ペア:

[(1, 16980939), (3, 5660313), (9, 1886771), (1201, 14139), (1571, 10809), (3603, 4713)]