2051279217

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{127973}}^1$

素因数の和:128129

約数の個数: 24

約数和(自身を含む): 3214194984

約数和(自身を除く): 1162915767

約数列:

[1, 3, 9, 13, 39, 117, 137, 411, 1233, 1781, 5343, 16029, 127973, 383919, 1151757, 1663649, 4990947, 14972841, 17532301, 52596903, 157790709, 227919913, 683759739, 2051279217]

約数ペア:

[(1, 2051279217), (3, 683759739), (9, 227919913), (13, 157790709), (39, 52596903), (117, 17532301), (137, 14972841), (411, 4990947), (1233, 1663649), (1781, 1151757), (5343, 383919), (16029, 127973)]