25528839

素因数分解:

$3^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{2129}}^1$

素因数の和:2710

約数の個数: 16

約数和(自身を含む): 38987520

約数和(自身を除く): 13458681

約数列:

[1, 3, 7, 21, 571, 1713, 2129, 3997, 6387, 11991, 14903, 44709, 1215659, 3646977, 8509613, 25528839]

約数ペア:

[(1, 25528839), (3, 8509613), (7, 3646977), (21, 1215659), (571, 44709), (1713, 14903), (2129, 11991), (3997, 6387)]