80385021

素因数分解:

$3^3\times {\mathrm{239}}^1\times {\mathrm{12457}}^1$

素因数の和:12705

約数の個数: 16

約数和(自身を含む): 119596800

約数和(自身を除く): 39211779

約数列:

[1, 3, 9, 27, 239, 717, 2151, 6453, 12457, 37371, 112113, 336339, 2977223, 8931669, 26795007, 80385021]

約数ペア:

[(1, 80385021), (3, 26795007), (9, 8931669), (27, 2977223), (239, 336339), (717, 112113), (2151, 37371), (6453, 12457)]