2780943

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:235

約数の個数: 24

約数和(自身を含む): 4187904

約数和(自身を除く): 1406961

約数列:

[1, 3, 11, 33, 47, 121, 141, 163, 363, 489, 517, 1551, 1793, 5379, 5687, 7661, 17061, 19723, 22983, 59169, 84271, 252813, 926981, 2780943]

約数ペア:

[(1, 2780943), (3, 926981), (11, 252813), (33, 84271), (47, 59169), (121, 22983), (141, 19723), (163, 17061), (363, 7661), (489, 5687), (517, 5379), (1551, 1793)]