2662947

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{983}}^1$

素因数の和:1039

約数の個数: 24

約数和(自身を含む): 4502784

約数和(自身を除く): 1839837

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 983, 2709, 2949, 6881, 8847, 20643, 42269, 61929, 126807, 295883, 380421, 887649, 2662947]

約数ペア:

[(1, 2662947), (3, 887649), (7, 380421), (9, 295883), (21, 126807), (43, 61929), (63, 42269), (129, 20643), (301, 8847), (387, 6881), (903, 2949), (983, 2709)]