2553657

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:724

約数の個数: 16

約数和(自身を含む): 3640320

約数和(自身を除く): 1086663

約数列:

[1, 3, 19, 57, 71, 213, 631, 1349, 1893, 4047, 11989, 35967, 44801, 134403, 851219, 2553657]

約数ペア:

[(1, 2553657), (3, 851219), (19, 134403), (57, 44801), (71, 35967), (213, 11989), (631, 4047), (1349, 1893)]