218391993

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{4373}}^1$

素因数の和:4589

約数の個数: 24

約数和(自身を含む): 327525120

約数和(自身を除く): 109133127

約数列:

[1, 3, 9, 31, 93, 179, 279, 537, 1611, 4373, 5549, 13119, 16647, 39357, 49941, 135563, 406689, 782767, 1220067, 2348301, 7044903, 24265777, 72797331, 218391993]

約数ペア:

[(1, 218391993), (3, 72797331), (9, 24265777), (31, 7044903), (93, 2348301), (179, 1220067), (279, 782767), (537, 406689), (1611, 135563), (4373, 49941), (5549, 39357), (13119, 16647)]