25440891

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71263}}^1$

素因数の和:71290

約数の個数: 16

約数和(自身を含む): 41048064

約数和(自身を除く): 15607173

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 71263, 213789, 498841, 1211471, 1496523, 3634413, 8480297, 25440891]

約数ペア:

[(1, 25440891), (3, 8480297), (7, 3634413), (17, 1496523), (21, 1211471), (51, 498841), (119, 213789), (357, 71263)]