2790249

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 4755456

約数和(自身を除く): 1965207

約数列:

[1, 3, 7, 11, 21, 33, 47, 77, 141, 231, 257, 329, 517, 771, 987, 1551, 1799, 2827, 3619, 5397, 8481, 10857, 12079, 19789, 36237, 59367, 84553, 132869, 253659, 398607, 930083, 2790249]

約数ペア:

[(1, 2790249), (3, 930083), (7, 398607), (11, 253659), (21, 132869), (33, 84553), (47, 59367), (77, 36237), (141, 19789), (231, 12079), (257, 10857), (329, 8481), (517, 5397), (771, 3619), (987, 2827), (1551, 1799)]