25506171

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{18523}}^1$

素因数の和:18552

約数の個数: 20

約数和(自身を含む): 40345272

約数和(自身を除く): 14839101

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 18523, 55569, 166707, 314891, 500121, 944673, 1500363, 2834019, 8502057, 25506171]

約数ペア:

[(1, 25506171), (3, 8502057), (9, 2834019), (17, 1500363), (27, 944673), (51, 500121), (81, 314891), (153, 166707), (459, 55569), (1377, 18523)]