25889997

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1543}}^1$

素因数の和:1617

約数の個数: 32

約数和(自身を含む): 42688512

約数和(自身を除く): 16798515

約数列:

[1, 3, 7, 17, 21, 47, 51, 119, 141, 329, 357, 799, 987, 1543, 2397, 4629, 5593, 10801, 16779, 26231, 32403, 72521, 78693, 183617, 217563, 507647, 550851, 1232857, 1522941, 3698571, 8629999, 25889997]

約数ペア:

[(1, 25889997), (3, 8629999), (7, 3698571), (17, 1522941), (21, 1232857), (47, 550851), (51, 507647), (119, 217563), (141, 183617), (329, 78693), (357, 72521), (799, 32403), (987, 26231), (1543, 16779), (2397, 10801), (4629, 5593)]