217678305

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{3217}}^1$

素因数の和:3585

約数の個数: 32

約数和(自身を含む): 376274304

約数和(自身を除く): 158595999

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 347, 1041, 1735, 3217, 4511, 5205, 9651, 13533, 16085, 22555, 41821, 48255, 67665, 125463, 209105, 627315, 1116299, 3348897, 5581495, 14511887, 16744485, 43535661, 72559435, 217678305]

約数ペア:

[(1, 217678305), (3, 72559435), (5, 43535661), (13, 16744485), (15, 14511887), (39, 5581495), (65, 3348897), (195, 1116299), (347, 627315), (1041, 209105), (1735, 125463), (3217, 67665), (4511, 48255), (5205, 41821), (9651, 22555), (13533, 16085)]