25019745

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1543}}^1$

素因数の和:1621

約数の個数: 32

約数和(自身を含む): 42688512

約数和(自身を除く): 17668767

約数列:

[1, 3, 5, 15, 23, 47, 69, 115, 141, 235, 345, 705, 1081, 1543, 3243, 4629, 5405, 7715, 16215, 23145, 35489, 72521, 106467, 177445, 217563, 362605, 532335, 1087815, 1667983, 5003949, 8339915, 25019745]

約数ペア:

[(1, 25019745), (3, 8339915), (5, 5003949), (15, 1667983), (23, 1087815), (47, 532335), (69, 362605), (115, 217563), (141, 177445), (235, 106467), (345, 72521), (705, 35489), (1081, 23145), (1543, 16215), (3243, 7715), (4629, 5405)]