81461485

素因数分解:

$5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{3631}}^1$

素因数の和:4284

約数の個数: 16

約数和(自身を含む): 111923712

約数和(自身を除く): 30462227

約数列:

[1, 5, 7, 35, 641, 3205, 3631, 4487, 18155, 22435, 25417, 127085, 2327471, 11637355, 16292297, 81461485]

約数ペア:

[(1, 81461485), (5, 16292297), (7, 11637355), (35, 2327471), (641, 127085), (3205, 25417), (3631, 22435), (4487, 18155)]