31678281

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{293}}^2$

素因数の和:633

約数の個数: 18

約数和(自身を含む): 47034078

約数和(自身を除く): 15355797

約数列:

[1, 3, 9, 41, 123, 293, 369, 879, 2637, 12013, 36039, 85849, 108117, 257547, 772641, 3519809, 10559427, 31678281]

約数ペア:

[(1, 31678281), (3, 10559427), (9, 3519809), (41, 772641), (123, 257547), (293, 108117), (369, 85849), (879, 36039), (2637, 12013)]