15390729

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{11177}}^1$

素因数の和:11206

約数の個数: 20

約数和(自身を含む): 24345684

約数和(自身を除く): 8954955

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 11177, 33531, 100593, 190009, 301779, 570027, 905337, 1710081, 5130243, 15390729]

約数ペア:

[(1, 15390729), (3, 5130243), (9, 1710081), (17, 905337), (27, 570027), (51, 301779), (81, 190009), (153, 100593), (459, 33531), (1377, 11177)]