201243

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^2$

素因数の和:91

約数の個数: 18

約数和(自身を含む): 320796

約数和(自身を除く): 119553

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1369, 1813, 4107, 5439, 9583, 28749, 67081, 201243]

約数ペア:

[(1, 201243), (3, 67081), (7, 28749), (21, 9583), (37, 5439), (49, 4107), (111, 1813), (147, 1369), (259, 777)]