28321083

素因数分解:

$3^4\times 7^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:469

約数の個数: 40

約数和(自身を含む): 48787200

約数和(自身を除く): 20466117

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 199, 251, 567, 597, 753, 1393, 1757, 1791, 2259, 4179, 5271, 5373, 6777, 12537, 15813, 16119, 20331, 37611, 47439, 49949, 112833, 142317, 149847, 349643, 449541, 1048929, 1348623, 3146787, 4045869, 9440361, 28321083]

約数ペア:

[(1, 28321083), (3, 9440361), (7, 4045869), (9, 3146787), (21, 1348623), (27, 1048929), (63, 449541), (81, 349643), (189, 149847), (199, 142317), (251, 112833), (567, 49949), (597, 47439), (753, 37611), (1393, 20331), (1757, 16119), (1791, 15813), (2259, 12537), (4179, 6777), (5271, 5373)]