13687011

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 23063040

約数和(自身を除く): 9376029

約数列:

[1, 3, 9, 13, 19, 39, 47, 57, 117, 131, 141, 171, 247, 393, 423, 611, 741, 893, 1179, 1703, 1833, 2223, 2489, 2679, 5109, 5499, 6157, 7467, 8037, 11609, 15327, 18471, 22401, 32357, 34827, 55413, 80041, 97071, 104481, 116983, 240123, 291213, 350949, 720369, 1052847, 1520779, 4562337, 13687011]

約数ペア:

[(1, 13687011), (3, 4562337), (9, 1520779), (13, 1052847), (19, 720369), (39, 350949), (47, 291213), (57, 240123), (117, 116983), (131, 104481), (141, 97071), (171, 80041), (247, 55413), (393, 34827), (423, 32357), (611, 22401), (741, 18471), (893, 15327), (1179, 11609), (1703, 8037), (1833, 7467), (2223, 6157), (2489, 5499), (2679, 5109)]