28613619

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{691}}^1$

素因数の和:847

約数の個数: 24

約数和(自身を含む): 42748992

約数和(自身を除く): 14135373

約数列:

[1, 3, 9, 43, 107, 129, 321, 387, 691, 963, 2073, 4601, 6219, 13803, 29713, 41409, 73937, 89139, 221811, 267417, 665433, 3179291, 9537873, 28613619]

約数ペア:

[(1, 28613619), (3, 9537873), (9, 3179291), (43, 665433), (107, 267417), (129, 221811), (321, 89139), (387, 73937), (691, 41409), (963, 29713), (2073, 13803), (4601, 6219)]