1649069847

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{885169}}^1$

素因数の和:885204

約数の個数: 20

約数和(自身を含む): 2570533680

約数和(自身を除く): 921463833

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 885169, 2655507, 7966521, 20358887, 23899563, 61076661, 71698689, 183229983, 549689949, 1649069847]

約数ペア:

[(1, 1649069847), (3, 549689949), (9, 183229983), (23, 71698689), (27, 61076661), (69, 23899563), (81, 20358887), (207, 7966521), (621, 2655507), (1863, 885169)]