64513701

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{7817}}^1$

素因数の和:7961

約数の個数: 24

約数和(自身を含む): 107325504

約数和(自身を除く): 42811803

約数列:

[1, 3, 7, 9, 21, 63, 131, 393, 917, 1179, 2751, 7817, 8253, 23451, 54719, 70353, 164157, 492471, 1024027, 3072081, 7168189, 9216243, 21504567, 64513701]

約数ペア:

[(1, 64513701), (3, 21504567), (7, 9216243), (9, 7168189), (21, 3072081), (63, 1024027), (131, 492471), (393, 164157), (917, 70353), (1179, 54719), (2751, 23451), (7817, 8253)]