2887407

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{829}}^1$

素因数の和:884

約数の個数: 20

約数和(自身を含む): 4418920

約数和(自身を除く): 1531513

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 829, 1161, 2487, 3483, 7461, 22383, 35647, 67149, 106941, 320823, 962469, 2887407]

約数ペア:

[(1, 2887407), (3, 962469), (9, 320823), (27, 106941), (43, 67149), (81, 35647), (129, 22383), (387, 7461), (829, 3483), (1161, 2487)]