28697385

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1783}}^1$

素因数の和:1857

約数の個数: 32

約数和(自身を含む): 48810240

約数和(自身を除く): 20112855

約数列:

[1, 3, 5, 15, 29, 37, 87, 111, 145, 185, 435, 555, 1073, 1783, 3219, 5349, 5365, 8915, 16095, 26745, 51707, 65971, 155121, 197913, 258535, 329855, 775605, 989565, 1913159, 5739477, 9565795, 28697385]

約数ペア:

[(1, 28697385), (3, 9565795), (5, 5739477), (15, 1913159), (29, 989565), (37, 775605), (87, 329855), (111, 258535), (145, 197913), (185, 155121), (435, 65971), (555, 51707), (1073, 26745), (1783, 16095), (3219, 8915), (5349, 5365)]