55311999

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{131}}^1\times {\mathrm{487}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 79102848

約数和(自身を除く): 23790849

約数列:

[1, 3, 17, 51, 131, 289, 393, 487, 867, 1461, 2227, 6681, 8279, 24837, 37859, 63797, 113577, 140743, 191391, 422229, 1084549, 3253647, 18437333, 55311999]

約数ペア:

[(1, 55311999), (3, 18437333), (17, 3253647), (51, 1084549), (131, 422229), (289, 191391), (393, 140743), (487, 113577), (867, 63797), (1461, 37859), (2227, 24837), (6681, 8279)]