28173879

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{61381}}^1$

素因数の和:61407

約数の個数: 16

約数和(自身を含む): 44195040

約数和(自身を除く): 16021161

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 61381, 184143, 552429, 1043477, 1657287, 3130431, 9391293, 28173879]

約数ペア:

[(1, 28173879), (3, 9391293), (9, 3130431), (17, 1657287), (27, 1043477), (51, 552429), (153, 184143), (459, 61381)]