28283025

素因数分解:

$3^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{2713}}^1$

素因数の和:2865

約数の個数: 24

約数和(自身を含む): 47115040

約数和(自身を除く): 18832015

約数列:

[1, 3, 5, 15, 25, 75, 139, 417, 695, 2085, 2713, 3475, 8139, 10425, 13565, 40695, 67825, 203475, 377107, 1131321, 1885535, 5656605, 9427675, 28283025]

約数ペア:

[(1, 28283025), (3, 9427675), (5, 5656605), (15, 1885535), (25, 1131321), (75, 377107), (139, 203475), (417, 67825), (695, 40695), (2085, 13565), (2713, 10425), (3475, 8139)]