28909755

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{1873}}^1$

素因数の和:1905

約数の個数: 48

約数和(自身を含む): 58468800

約数和(自身を除く): 29559045

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 343, 441, 735, 1029, 1715, 1873, 2205, 3087, 5145, 5619, 9365, 13111, 15435, 16857, 28095, 39333, 65555, 84285, 91777, 117999, 196665, 275331, 458885, 589995, 642439, 825993, 1376655, 1927317, 3212195, 4129965, 5781951, 9636585, 28909755]

約数ペア:

[(1, 28909755), (3, 9636585), (5, 5781951), (7, 4129965), (9, 3212195), (15, 1927317), (21, 1376655), (35, 825993), (45, 642439), (49, 589995), (63, 458885), (105, 275331), (147, 196665), (245, 117999), (315, 91777), (343, 84285), (441, 65555), (735, 39333), (1029, 28095), (1715, 16857), (1873, 15435), (2205, 13111), (3087, 9365), (5145, 5619)]