16872849

素因数分解:

$3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1201}}^1$

素因数の和:1437

約数の個数: 24

約数和(自身を含む): 28001792

約数和(自身を除く): 11128943

約数列:

[1, 3, 7, 9, 21, 63, 223, 669, 1201, 1561, 2007, 3603, 4683, 8407, 10809, 14049, 25221, 75663, 267823, 803469, 1874761, 2410407, 5624283, 16872849]

約数ペア:

[(1, 16872849), (3, 5624283), (7, 2410407), (9, 1874761), (21, 803469), (63, 267823), (223, 75663), (669, 25221), (1201, 14049), (1561, 10809), (2007, 8407), (3603, 4683)]