81294651

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{44939}}^1$

素因数の和:45015

約数の個数: 16

約数和(自身を含む): 122236800

約数和(自身を除く): 40942149

約数列:

[1, 3, 9, 27, 67, 201, 603, 1809, 44939, 134817, 404451, 1213353, 3010913, 9032739, 27098217, 81294651]

約数ペア:

[(1, 81294651), (3, 27098217), (9, 9032739), (27, 3010913), (67, 1213353), (201, 404451), (603, 134817), (1809, 44939)]