16561089

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1213}}^1$

素因数の和:1297

約数の個数: 24

約数和(自身を含む): 25188072

約数和(自身を除く): 8626983

約数列:

[1, 3, 9, 37, 41, 111, 123, 333, 369, 1213, 1517, 3639, 4551, 10917, 13653, 44881, 49733, 134643, 149199, 403929, 447597, 1840121, 5520363, 16561089]

約数ペア:

[(1, 16561089), (3, 5520363), (9, 1840121), (37, 447597), (41, 403929), (111, 149199), (123, 134643), (333, 49733), (369, 44881), (1213, 13653), (1517, 10917), (3639, 4551)]