211677957

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{4127}}^1$

素因数の和:4313

約数の個数: 24

約数和(自身を含む): 315544320

約数和(自身を除く): 103866363

約数列:

[1, 3, 9, 41, 123, 139, 369, 417, 1251, 4127, 5699, 12381, 17097, 37143, 51291, 169207, 507621, 573653, 1522863, 1720959, 5162877, 23519773, 70559319, 211677957]

約数ペア:

[(1, 211677957), (3, 70559319), (9, 23519773), (41, 5162877), (123, 1720959), (139, 1522863), (369, 573653), (417, 507621), (1251, 169207), (4127, 51291), (5699, 37143), (12381, 17097)]