2809359

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2347}}^1$

素因数の和:2379

約数の個数: 24

約数和(自身を含む): 4883840

約数和(自身を除く): 2074481

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 2347, 7041, 16429, 21123, 44593, 49287, 133779, 147861, 312151, 401337, 936453, 2809359]

約数ペア:

[(1, 2809359), (3, 936453), (7, 401337), (9, 312151), (19, 147861), (21, 133779), (57, 49287), (63, 44593), (133, 21123), (171, 16429), (399, 7041), (1197, 2347)]