243072009

素因数分解:

$3^4\times {\mathrm{97}}^1\times {\mathrm{30937}}^1$

素因数の和:31046

約数の個数: 20

約数和(自身を含む): 366862804

約数和(自身を除く): 123790795

約数列:

[1, 3, 9, 27, 81, 97, 291, 873, 2619, 7857, 30937, 92811, 278433, 835299, 2505897, 3000889, 9002667, 27008001, 81024003, 243072009]

約数ペア:

[(1, 243072009), (3, 81024003), (9, 27008001), (27, 9002667), (81, 3000889), (97, 2505897), (291, 835299), (873, 278433), (2619, 92811), (7857, 30937)]