2187441

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{29}}^2$

素因数の和:98

約数の個数: 27

約数和(自身を含む): 3476161

約数和(自身を除く): 1288720

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 289, 493, 841, 867, 1479, 2523, 2601, 4437, 7569, 8381, 14297, 25143, 42891, 75429, 128673, 243049, 729147, 2187441]

約数ペア:

[(1, 2187441), (3, 729147), (9, 243049), (17, 128673), (29, 75429), (51, 42891), (87, 25143), (153, 14297), (261, 8381), (289, 7569), (493, 4437), (841, 2601), (867, 2523)]