28686561

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{613}}^1\times {\mathrm{821}}^1$

素因数の和:1456

約数の個数: 16

約数和(自身を含む): 40376640

約数和(自身を除く): 11690079

約数列:

[1, 3, 19, 57, 613, 821, 1839, 2463, 11647, 15599, 34941, 46797, 503273, 1509819, 9562187, 28686561]

約数ペア:

[(1, 28686561), (3, 9562187), (19, 1509819), (57, 503273), (613, 46797), (821, 34941), (1839, 15599), (2463, 11647)]