16536681

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3697}}^1$

素因数の和:3781

約数の個数: 24

約数和(自身を含む): 27690624

約数和(自身を除く): 11153943

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 3697, 4473, 11091, 25879, 33273, 77637, 232911, 262487, 787461, 1837409, 2362383, 5512227, 16536681]

約数ペア:

[(1, 16536681), (3, 5512227), (7, 2362383), (9, 1837409), (21, 787461), (63, 262487), (71, 232911), (213, 77637), (497, 33273), (639, 25879), (1491, 11091), (3697, 4473)]