28755891

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{6961}}^1$

素因数の和:6993

約数の個数: 24

約数和(自身を含む): 45615024

約数和(自身を除く): 16859133

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 6961, 20883, 62649, 118337, 187947, 355011, 563841, 1065033, 1691523, 3195099, 9585297, 28755891]

約数ペア:

[(1, 28755891), (3, 9585297), (9, 3195099), (17, 1691523), (27, 1065033), (51, 563841), (81, 355011), (153, 187947), (243, 118337), (459, 62649), (1377, 20883), (4131, 6961)]