16908003

素因数分解:

$3^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{769}}^1$

素因数の和:1131

約数の個数: 24

約数和(自身を含む): 28028000

約数和(自身を除く): 11119997

約数列:

[1, 3, 7, 9, 21, 63, 349, 769, 1047, 2307, 2443, 3141, 5383, 6921, 7329, 16149, 21987, 48447, 268381, 805143, 1878667, 2415429, 5636001, 16908003]

約数ペア:

[(1, 16908003), (3, 5636001), (7, 2415429), (9, 1878667), (21, 805143), (63, 268381), (349, 48447), (769, 21987), (1047, 16149), (2307, 7329), (2443, 6921), (3141, 5383)]