2097171

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{1523}}^1$

素因数の和:1552

約数の個数: 20

約数和(自身を含む): 3319272

約数和(自身を除く): 1222101

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 1523, 4569, 13707, 25891, 41121, 77673, 123363, 233019, 699057, 2097171]

約数ペア:

[(1, 2097171), (3, 699057), (9, 233019), (17, 123363), (27, 77673), (51, 41121), (81, 25891), (153, 13707), (459, 4569), (1377, 1523)]