215431363

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1\times {\mathrm{2081}}^1$

素因数の和:2754

約数の個数: 16

約数和(自身を含む): 257435136

約数和(自身を除く): 42003773

約数列:

[1, 7, 23, 161, 643, 2081, 4501, 14567, 14789, 47863, 103523, 335041, 1338083, 9366581, 30775909, 215431363]

約数ペア:

[(1, 215431363), (7, 30775909), (23, 9366581), (161, 1338083), (643, 335041), (2081, 103523), (4501, 47863), (14567, 14789)]