28561509

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{613}}^1$

素因数の和:817

約数の個数: 24

約数和(自身を含む): 42911232

約数和(自身を除く): 14349723

約数列:

[1, 3, 9, 31, 93, 167, 279, 501, 613, 1503, 1839, 5177, 5517, 15531, 19003, 46593, 57009, 102371, 171027, 307113, 921339, 3173501, 9520503, 28561509]

約数ペア:

[(1, 28561509), (3, 9520503), (9, 3173501), (31, 921339), (93, 307113), (167, 171027), (279, 102371), (501, 57009), (613, 46593), (1503, 19003), (1839, 15531), (5177, 5517)]