180825981

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{65731}}^1$

素因数の和:65872

約数の個数: 16

約数和(自身を含む): 277651968

約数和(自身を除く): 96825987

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 65731, 197193, 460117, 1380351, 8610761, 25832283, 60275327, 180825981]

約数ペア:

[(1, 180825981), (3, 60275327), (7, 25832283), (21, 8610761), (131, 1380351), (393, 460117), (917, 197193), (2751, 65731)]