2489571

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{919}}^1$

素因数の和:975

約数の個数: 24

約数和(自身を含む): 4209920

約数和(自身を除く): 1720349

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 919, 2709, 2757, 6433, 8271, 19299, 39517, 57897, 118551, 276619, 355653, 829857, 2489571]

約数ペア:

[(1, 2489571), (3, 829857), (7, 355653), (9, 276619), (21, 118551), (43, 57897), (63, 39517), (129, 19299), (301, 8271), (387, 6433), (903, 2757), (919, 2709)]