12891999

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1\times {\mathrm{373}}^1$

素因数の和:698

約数の個数: 16

約数和(自身を含む): 17718624

約数和(自身を除く): 4826625

約数列:

[1, 3, 41, 123, 281, 373, 843, 1119, 11521, 15293, 34563, 45879, 104813, 314439, 4297333, 12891999]

約数ペア:

[(1, 12891999), (3, 4297333), (41, 314439), (123, 104813), (281, 45879), (373, 34563), (843, 15293), (1119, 11521)]