8581621321

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{1543}}^1\times {\mathrm{8731}}^1$

素因数の和:10301

約数の個数: 24

約数和(自身を含む): 10758801984

約数和(自身を除く): 2177180663

約数列:

[1, 7, 13, 49, 91, 637, 1543, 8731, 10801, 20059, 61117, 75607, 113503, 140413, 427819, 794521, 982891, 5561647, 13471933, 94303531, 175135129, 660124717, 1225945903, 8581621321]

約数ペア:

[(1, 8581621321), (7, 1225945903), (13, 660124717), (49, 175135129), (91, 94303531), (637, 13471933), (1543, 5561647), (8731, 982891), (10801, 794521), (20059, 427819), (61117, 140413), (75607, 113503)]