1939455987

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{739}}^1\times {\mathrm{2659}}^1$

素因数の和:3455

約数の個数: 32

約数和(自身を含む): 3023462400

約数和(自身を除く): 1084006413

約数列:

[1, 3, 7, 21, 47, 141, 329, 739, 987, 2217, 2659, 5173, 7977, 15519, 18613, 34733, 55839, 104199, 124973, 243131, 374919, 729393, 874811, 1965001, 2624433, 5895003, 13755007, 41265021, 92355047, 277065141, 646485329, 1939455987]

約数ペア:

[(1, 1939455987), (3, 646485329), (7, 277065141), (21, 92355047), (47, 41265021), (141, 13755007), (329, 5895003), (739, 2624433), (987, 1965001), (2217, 874811), (2659, 729393), (5173, 374919), (7977, 243131), (15519, 124973), (18613, 104199), (34733, 55839)]