28556943

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{6863}}^1$

素因数の和:6958

約数の個数: 16

約数和(自身を含む): 40634880

約数和(自身を除く): 12077937

約数列:

[1, 3, 19, 57, 73, 219, 1387, 4161, 6863, 20589, 130397, 391191, 500999, 1502997, 9518981, 28556943]

約数ペア:

[(1, 28556943), (3, 9518981), (19, 1502997), (57, 500999), (73, 391191), (219, 130397), (1387, 20589), (4161, 6863)]