222080201

素因数分解:

$7^2\times {\mathrm{127}}^2\times {\mathrm{281}}^1$

素因数の和:549

約数の個数: 18

約数和(自身を含む): 261315018

約数和(自身を除く): 39234817

約数列:

[1, 7, 49, 127, 281, 889, 1967, 6223, 13769, 16129, 35687, 112903, 249809, 790321, 1748663, 4532249, 31725743, 222080201]

約数ペア:

[(1, 222080201), (7, 31725743), (49, 4532249), (127, 1748663), (281, 790321), (889, 249809), (1967, 112903), (6223, 35687), (13769, 16129)]