205587171

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{31249}}^1$

素因数の和:31315

約数の個数: 24

約数和(自身を含む): 321750000

約数和(自身を除く): 116162829

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 387, 731, 2193, 6579, 31249, 93747, 281241, 531233, 1343707, 1593699, 4031121, 4781097, 12093363, 22843019, 68529057, 205587171]

約数ペア:

[(1, 205587171), (3, 68529057), (9, 22843019), (17, 12093363), (43, 4781097), (51, 4031121), (129, 1593699), (153, 1343707), (387, 531233), (731, 281241), (2193, 93747), (6579, 31249)]