81649929

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{22549}}^1$

素因数の和:22640

約数の個数: 16

約数和(自身を含む): 116899200

約数和(自身を除く): 35249271

約数列:

[1, 3, 17, 51, 71, 213, 1207, 3621, 22549, 67647, 383333, 1149999, 1600979, 4802937, 27216643, 81649929]

約数ペア:

[(1, 81649929), (3, 27216643), (17, 4802937), (51, 1600979), (71, 1149999), (213, 383333), (1207, 67647), (3621, 22549)]