138834081

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{11351}}^1$

素因数の和:11514

約数の個数: 20

約数和(自身を含む): 208785984

約数和(自身を除く): 69951903

約数列:

[1, 3, 9, 27, 81, 151, 453, 1359, 4077, 11351, 12231, 34053, 102159, 306477, 919431, 1714001, 5142003, 15426009, 46278027, 138834081]

約数ペア:

[(1, 138834081), (3, 46278027), (9, 15426009), (27, 5142003), (81, 1714001), (151, 919431), (453, 306477), (1359, 102159), (4077, 34053), (11351, 12231)]