28698057

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{6947}}^1$

素因数の和:6979

約数の個数: 24

約数和(自身を含む): 45523296

約数和(自身を除く): 16825239

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 6947, 20841, 62523, 118099, 187569, 354297, 562707, 1062891, 1688121, 3188673, 9566019, 28698057]

約数ペア:

[(1, 28698057), (3, 9566019), (9, 3188673), (17, 1688121), (27, 1062891), (51, 562707), (81, 354297), (153, 187569), (243, 118099), (459, 62523), (1377, 20841), (4131, 6947)]