2157603

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{809}}^1$

素因数の和:946

約数の個数: 16

約数和(自身を含む): 3317760

約数和(自身を除く): 1160157

約数列:

[1, 3, 7, 21, 127, 381, 809, 889, 2427, 2667, 5663, 16989, 102743, 308229, 719201, 2157603]

約数ペア:

[(1, 2157603), (3, 719201), (7, 308229), (21, 102743), (127, 16989), (381, 5663), (809, 2667), (889, 2427)]