215686933

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{90359}}^1$

素因数の和:90408

約数の個数: 16

約数和(自身を含む): 277585920

約数和(自身を除く): 61898987

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 90359, 632513, 993949, 2801129, 6957643, 19607903, 30812419, 215686933]

約数ペア:

[(1, 215686933), (7, 30812419), (11, 19607903), (31, 6957643), (77, 2801129), (217, 993949), (341, 632513), (2387, 90359)]