27921531

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{701}}^1$

素因数の和:803

約数の個数: 32

約数和(自身を含む): 43670016

約数和(自身を除く): 15748485

約数列:

[1, 3, 11, 17, 33, 51, 71, 187, 213, 561, 701, 781, 1207, 2103, 2343, 3621, 7711, 11917, 13277, 23133, 35751, 39831, 49771, 131087, 149313, 393261, 547481, 846107, 1642443, 2538321, 9307177, 27921531]

約数ペア:

[(1, 27921531), (3, 9307177), (11, 2538321), (17, 1642443), (33, 846107), (51, 547481), (71, 393261), (187, 149313), (213, 131087), (561, 49771), (701, 39831), (781, 35751), (1207, 23133), (2103, 13277), (2343, 11917), (3621, 7711)]