2641779

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2207}}^1$

素因数の和:2239

約数の個数: 24

約数和(自身を含む): 4592640

約数和(自身を除く): 1950861

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 2207, 6621, 15449, 19863, 41933, 46347, 125799, 139041, 293531, 377397, 880593, 2641779]

約数ペア:

[(1, 2641779), (3, 880593), (7, 377397), (9, 293531), (19, 139041), (21, 125799), (57, 46347), (63, 41933), (133, 19863), (171, 15449), (399, 6621), (1197, 2207)]