2036781

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 3180320

約数和(自身を除く): 1143539

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 277, 387, 817, 831, 2451, 2493, 5263, 7353, 11911, 15789, 35733, 47367, 107199, 226309, 678927, 2036781]

約数ペア:

[(1, 2036781), (3, 678927), (9, 226309), (19, 107199), (43, 47367), (57, 35733), (129, 15789), (171, 11911), (277, 7353), (387, 5263), (817, 2493), (831, 2451)]