2554321

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{677}}^1$

素因数の和:709

約数の個数: 16

約数和(自身を含む): 3254400

約数和(自身を除く): 700079

約数列:

[1, 7, 11, 49, 77, 343, 539, 677, 3773, 4739, 7447, 33173, 52129, 232211, 364903, 2554321]

約数ペア:

[(1, 2554321), (7, 364903), (11, 232211), (49, 52129), (77, 33173), (343, 7447), (539, 4739), (677, 3773)]