203468991

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{643}}^1$

素因数の和:923

約数の個数: 32

約数和(自身を含む): 304668672

約数和(自身を除く): 101199681

約数列:

[1, 3, 11, 33, 43, 129, 223, 473, 643, 669, 1419, 1929, 2453, 7073, 7359, 9589, 21219, 27649, 28767, 82947, 105479, 143389, 304139, 316437, 430167, 912417, 1577279, 4731837, 6165727, 18497181, 67822997, 203468991]

約数ペア:

[(1, 203468991), (3, 67822997), (11, 18497181), (33, 6165727), (43, 4731837), (129, 1577279), (223, 912417), (473, 430167), (643, 316437), (669, 304139), (1419, 143389), (1929, 105479), (2453, 82947), (7073, 28767), (7359, 27649), (9589, 21219)]