6678987

素因数分解:

$3^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{571}}^1$

素因数の和:1138

約数の個数: 16

約数和(自身を含む): 10213632

約数和(自身を除く): 3534645

約数列:

[1, 3, 7, 21, 557, 571, 1671, 1713, 3899, 3997, 11697, 11991, 318047, 954141, 2226329, 6678987]

約数ペア:

[(1, 6678987), (3, 2226329), (7, 954141), (21, 318047), (557, 11991), (571, 11697), (1671, 3997), (1713, 3899)]