2777996907

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{621059}}^1$

素因数の和:621143

約数の個数: 24

約数和(自身を含む): 4650497280

約数和(自身を除く): 1872500373

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 621059, 1863177, 4347413, 5589531, 13042239, 39126717, 44095189, 132285567, 308666323, 396856701, 925998969, 2777996907]

約数ペア:

[(1, 2777996907), (3, 925998969), (7, 396856701), (9, 308666323), (21, 132285567), (63, 44095189), (71, 39126717), (213, 13042239), (497, 5589531), (639, 4347413), (1491, 1863177), (4473, 621059)]