2249919

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{503}}^1$

素因数の和:587

約数の個数: 24

約数和(自身を含む): 3773952

約数和(自身を除く): 1524033

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 503, 639, 1491, 1509, 3521, 4473, 4527, 10563, 31689, 35713, 107139, 249991, 321417, 749973, 2249919]

約数ペア:

[(1, 2249919), (3, 749973), (7, 321417), (9, 249991), (21, 107139), (63, 35713), (71, 31689), (213, 10563), (497, 4527), (503, 4473), (639, 3521), (1491, 1509)]