66821887

素因数分解:

${\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:327

約数の個数: 24

約数和(自身を含む): 77086800

約数和(自身を除く): 10264913

約数列:

[1, 11, 29, 121, 137, 139, 319, 1507, 1529, 3509, 3973, 4031, 16577, 16819, 19043, 43703, 44341, 209473, 480733, 487751, 552247, 2304203, 6074717, 66821887]

約数ペア:

[(1, 66821887), (11, 6074717), (29, 2304203), (121, 552247), (137, 487751), (139, 480733), (319, 209473), (1507, 44341), (1529, 43703), (3509, 19043), (3973, 16819), (4031, 16577)]