85821321

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 124478208

約数和(自身を除く): 38656887

約数列:

[1, 3, 17, 51, 71, 137, 173, 213, 411, 519, 1207, 2329, 2941, 3621, 6987, 8823, 9727, 12283, 23701, 29181, 36849, 71103, 165359, 208811, 402917, 496077, 626433, 1208751, 1682771, 5048313, 28607107, 85821321]

約数ペア:

[(1, 85821321), (3, 28607107), (17, 5048313), (51, 1682771), (71, 1208751), (137, 626433), (173, 496077), (213, 402917), (411, 208811), (519, 165359), (1207, 71103), (2329, 36849), (2941, 29181), (3621, 23701), (6987, 12283), (8823, 9727)]