28520061

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{521}}^1$

素因数の和:852

約数の個数: 16

約数和(自身を含む): 38786688

約数和(自身を除く): 10266627

約数列:

[1, 3, 71, 213, 257, 521, 771, 1563, 18247, 36991, 54741, 110973, 133897, 401691, 9506687, 28520061]

約数ペア:

[(1, 28520061), (3, 9506687), (71, 401691), (213, 133897), (257, 110973), (521, 54741), (771, 36991), (1563, 18247)]