51817731

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2129}}^1$

素因数の和:2219

約数の個数: 32

約数和(自身を含む): 84518400

約数和(自身を除く): 32700669

約数列:

[1, 3, 7, 19, 21, 57, 61, 133, 183, 399, 427, 1159, 1281, 2129, 3477, 6387, 8113, 14903, 24339, 40451, 44709, 121353, 129869, 283157, 389607, 849471, 909083, 2467511, 2727249, 7402533, 17272577, 51817731]

約数ペア:

[(1, 51817731), (3, 17272577), (7, 7402533), (19, 2727249), (21, 2467511), (57, 909083), (61, 849471), (133, 389607), (183, 283157), (399, 129869), (427, 121353), (1159, 44709), (1281, 40451), (2129, 24339), (3477, 14903), (6387, 8113)]