28367865

素因数分解:

$3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2027}}^1$

素因数の和:2349

約数の個数: 24

約数和(自身を含む): 49353408

約数和(自身を除く): 20985543

約数列:

[1, 3, 5, 9, 15, 45, 311, 933, 1555, 2027, 2799, 4665, 6081, 10135, 13995, 18243, 30405, 91215, 630397, 1891191, 3151985, 5673573, 9455955, 28367865]

約数ペア:

[(1, 28367865), (3, 9455955), (5, 5673573), (9, 3151985), (15, 1891191), (45, 630397), (311, 91215), (933, 30405), (1555, 18243), (2027, 13995), (2799, 10135), (4665, 6081)]