28340409

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{1949}}^1$

素因数の和:2120

約数の個数: 16

約数和(自身を含む): 39124800

約数和(自身を除く): 10784391

約数列:

[1, 3, 37, 111, 131, 393, 1949, 4847, 5847, 14541, 72113, 216339, 255319, 765957, 9446803, 28340409]

約数ペア:

[(1, 28340409), (3, 9446803), (37, 765957), (111, 255319), (131, 216339), (393, 72113), (1949, 14541), (4847, 5847)]