209957961

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{8429}}^1$

素因数の和:8493

約数の個数: 24

約数和(自身を含む): 308335680

約数和(自身を除く): 98377719

約数列:

[1, 3, 19, 23, 57, 69, 361, 437, 1083, 1311, 8303, 8429, 24909, 25287, 160151, 193867, 480453, 581601, 3042869, 3683473, 9128607, 11050419, 69985987, 209957961]

約数ペア:

[(1, 209957961), (3, 69985987), (19, 11050419), (23, 9128607), (57, 3683473), (69, 3042869), (361, 581601), (437, 480453), (1083, 193867), (1311, 160151), (8303, 25287), (8429, 24909)]