2784089

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:221

約数の個数: 24

約数和(自身を含む): 3702720

約数和(自身を除く): 918631

約数列:

[1, 7, 11, 19, 77, 121, 133, 173, 209, 847, 1211, 1463, 1903, 2299, 3287, 13321, 16093, 20933, 23009, 36157, 146531, 253099, 397727, 2784089]

約数ペア:

[(1, 2784089), (7, 397727), (11, 253099), (19, 146531), (77, 36157), (121, 23009), (133, 20933), (173, 16093), (209, 13321), (847, 3287), (1211, 2299), (1463, 1903)]