28100439

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{20407}}^1$

素因数の和:20436

約数の個数: 20

約数和(自身を含む): 44448624

約数和(自身を除く): 16348185

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 20407, 61221, 183663, 346919, 550989, 1040757, 1652967, 3122271, 9366813, 28100439]

約数ペア:

[(1, 28100439), (3, 9366813), (9, 3122271), (17, 1652967), (27, 1040757), (51, 550989), (81, 346919), (153, 183663), (459, 61221), (1377, 20407)]