81898531

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{701}}^1$

素因数の和:787

約数の個数: 32

約数和(自身を含む): 103783680

約数和(自身を除く): 21885149

約数列:

[1, 11, 13, 19, 43, 143, 209, 247, 473, 559, 701, 817, 2717, 6149, 7711, 8987, 9113, 10621, 13319, 30143, 100243, 116831, 146509, 173147, 331573, 391859, 572717, 1904617, 4310449, 6299887, 7445321, 81898531]

約数ペア:

[(1, 81898531), (11, 7445321), (13, 6299887), (19, 4310449), (43, 1904617), (143, 572717), (209, 391859), (247, 331573), (473, 173147), (559, 146509), (701, 116831), (817, 100243), (2717, 30143), (6149, 13319), (7711, 10621), (8987, 9113)]