201211785

素因数分解:

$3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{20051}}^1$

素因数の和:20285

約数の個数: 24

約数和(自身を含む): 350348544

約数和(自身を除く): 149136759

約数列:

[1, 3, 5, 9, 15, 45, 223, 669, 1115, 2007, 3345, 10035, 20051, 60153, 100255, 180459, 300765, 902295, 4471373, 13414119, 22356865, 40242357, 67070595, 201211785]

約数ペア:

[(1, 201211785), (3, 67070595), (5, 40242357), (9, 22356865), (15, 13414119), (45, 4471373), (223, 902295), (669, 300765), (1115, 180459), (2007, 100255), (3345, 60153), (10035, 20051)]