65891961

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{19841}}^1$

素因数の和:19894

約数の個数: 20

約数和(自身を含む): 100837044

約数和(自身を除く): 34945083

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 19841, 59523, 178569, 535707, 813481, 1607121, 2440443, 7321329, 21963987, 65891961]

約数ペア:

[(1, 65891961), (3, 21963987), (9, 7321329), (27, 2440443), (41, 1607121), (81, 813481), (123, 535707), (369, 178569), (1107, 59523), (3321, 19841)]