28855881

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{431}}^1$

素因数の和:653

約数の個数: 24

約数和(自身を含む): 42996096

約数和(自身を除く): 14140215

約数列:

[1, 3, 9, 43, 129, 173, 387, 431, 519, 1293, 1557, 3879, 7439, 18533, 22317, 55599, 66951, 74563, 166797, 223689, 671067, 3206209, 9618627, 28855881]

約数ペア:

[(1, 28855881), (3, 9618627), (9, 3206209), (43, 671067), (129, 223689), (173, 166797), (387, 74563), (431, 66951), (519, 55599), (1293, 22317), (1557, 18533), (3879, 7439)]