1521247

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:322

約数の個数: 16

約数和(自身を含む): 1906240

約数和(自身を除く): 384993

約数列:

[1, 7, 13, 73, 91, 229, 511, 949, 1603, 2977, 6643, 16717, 20839, 117019, 217321, 1521247]

約数ペア:

[(1, 1521247), (7, 217321), (13, 117019), (73, 20839), (91, 16717), (229, 6643), (511, 2977), (949, 1603)]