2768787

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{619}}^1$

素因数の和:703

約数の個数: 24

約数和(自身を含む): 4642560

約数和(自身を除く): 1873773

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 619, 639, 1491, 1857, 4333, 4473, 5571, 12999, 38997, 43949, 131847, 307643, 395541, 922929, 2768787]

約数ペア:

[(1, 2768787), (3, 922929), (7, 395541), (9, 307643), (21, 131847), (63, 43949), (71, 38997), (213, 12999), (497, 5571), (619, 4473), (639, 4333), (1491, 1857)]