28561791

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{4651}}^1$

素因数の和:4766

約数の個数: 16

約数和(自身を含む): 40193280

約数和(自身を除く): 11631489

約数列:

[1, 3, 23, 69, 89, 267, 2047, 4651, 6141, 13953, 106973, 320919, 413939, 1241817, 9520597, 28561791]

約数ペア:

[(1, 28561791), (3, 9520597), (23, 1241817), (69, 413939), (89, 320919), (267, 106973), (2047, 13953), (4651, 6141)]