2639133

素因数分解:

$3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:433

約数の個数: 24

約数和(自身を含む): 4400448

約数和(自身を除く): 1761315

約数列:

[1, 3, 7, 9, 21, 63, 163, 257, 489, 771, 1141, 1467, 1799, 2313, 3423, 5397, 10269, 16191, 41891, 125673, 293237, 377019, 879711, 2639133]

約数ペア:

[(1, 2639133), (3, 879711), (7, 377019), (9, 293237), (21, 125673), (63, 41891), (163, 16191), (257, 10269), (489, 5397), (771, 3423), (1141, 2313), (1467, 1799)]