208545531

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{42569}}^1$

素因数の和:42666

約数の個数: 16

約数和(自身を含む): 294243840

約数和(自身を除く): 85698309

約数列:

[1, 3, 23, 69, 71, 213, 1633, 4899, 42569, 127707, 979087, 2937261, 3022399, 9067197, 69515177, 208545531]

約数ペア:

[(1, 208545531), (3, 69515177), (23, 9067197), (69, 3022399), (71, 2937261), (213, 979087), (1633, 127707), (4899, 42569)]