205659567

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{61927}}^1$

素因数の和:61980

約数の個数: 20

約数和(自身を含む): 314718096

約数和(自身を除く): 109058529

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 61927, 185781, 557343, 1672029, 2539007, 5016087, 7617021, 22851063, 68553189, 205659567]

約数ペア:

[(1, 205659567), (3, 68553189), (9, 22851063), (27, 7617021), (41, 5016087), (81, 2539007), (123, 1672029), (369, 557343), (1107, 185781), (3321, 61927)]