28787025

素因数分解:

$3^1\times 5^2\times {\mathrm{463}}^1\times {\mathrm{829}}^1$

素因数の和:1305

約数の個数: 24

約数和(自身を含む): 47754880

約数和(自身を除く): 18967855

約数列:

[1, 3, 5, 15, 25, 75, 463, 829, 1389, 2315, 2487, 4145, 6945, 11575, 12435, 20725, 34725, 62175, 383827, 1151481, 1919135, 5757405, 9595675, 28787025]

約数ペア:

[(1, 28787025), (3, 9595675), (5, 5757405), (15, 1919135), (25, 1151481), (75, 383827), (463, 62175), (829, 34725), (1389, 20725), (2315, 12435), (2487, 11575), (4145, 6945)]