25487379

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{16561}}^1$

素因数の和:16592

約数の個数: 20

約数和(自身を含む): 40080040

約数和(自身を除く): 14592661

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 16561, 49683, 149049, 314659, 447147, 943977, 1341441, 2831931, 8495793, 25487379]

約数ペア:

[(1, 25487379), (3, 8495793), (9, 2831931), (19, 1341441), (27, 943977), (57, 447147), (81, 314659), (171, 149049), (513, 49683), (1539, 16561)]