51293109

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{1321}}^1$

素因数の和:1417

約数の個数: 24

約数和(自身を含む): 80081472

約数和(自身を除く): 28788363

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 1321, 1849, 3963, 5547, 9247, 12943, 27741, 38829, 56803, 170409, 397621, 1192863, 2442529, 7327587, 17097703, 51293109]

約数ペア:

[(1, 51293109), (3, 17097703), (7, 7327587), (21, 2442529), (43, 1192863), (129, 397621), (301, 170409), (903, 56803), (1321, 38829), (1849, 27741), (3963, 12943), (5547, 9247)]