81918027

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{97871}}^1$

素因数の和:97911

約数の個数: 16

約数和(自身を含む): 125276160

約数和(自身を除く): 43358133

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 97871, 293613, 880839, 2642517, 3034001, 9102003, 27306009, 81918027]

約数ペア:

[(1, 81918027), (3, 27306009), (9, 9102003), (27, 3034001), (31, 2642517), (93, 880839), (279, 293613), (837, 97871)]