2821175

素因数分解:

$5^2\times 7^4\times {\mathrm{47}}^1$

素因数の和:85

約数の個数: 30

約数和(自身を含む): 4167888

約数和(自身を除く): 1346713

約数列:

[1, 5, 7, 25, 35, 47, 49, 175, 235, 245, 329, 343, 1175, 1225, 1645, 1715, 2303, 2401, 8225, 8575, 11515, 12005, 16121, 57575, 60025, 80605, 112847, 403025, 564235, 2821175]

約数ペア:

[(1, 2821175), (5, 564235), (7, 403025), (25, 112847), (35, 80605), (47, 60025), (49, 57575), (175, 16121), (235, 12005), (245, 11515), (329, 8575), (343, 8225), (1175, 2401), (1225, 2303), (1645, 1715)]