68931021

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{4079}}^1$

素因数の和:4256

約数の個数: 16

約数和(自身を含む): 94786560

約数和(自身を除く): 25855539

約数列:

[1, 3, 43, 129, 131, 393, 4079, 5633, 12237, 16899, 175397, 526191, 534349, 1603047, 22977007, 68931021]

約数ペア:

[(1, 68931021), (3, 22977007), (43, 1603047), (129, 534349), (131, 526191), (393, 175397), (4079, 16899), (5633, 12237)]