16672347

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{643}}^1$

素因数の和:759

約数の個数: 24

約数和(自身を含む): 25049024

約数和(自身を除く): 8376677

約数列:

[1, 3, 9, 43, 67, 129, 201, 387, 603, 643, 1929, 2881, 5787, 8643, 25929, 27649, 43081, 82947, 129243, 248841, 387729, 1852483, 5557449, 16672347]

約数ペア:

[(1, 16672347), (3, 5557449), (9, 1852483), (43, 387729), (67, 248841), (129, 129243), (201, 82947), (387, 43081), (603, 27649), (643, 25929), (1929, 8643), (2881, 5787)]