261736227

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{2203}}^1$

素因数の和:2559

約数の個数: 24

約数和(自身を含む): 388291904

約数和(自身を除く): 126555677

約数列:

[1, 3, 9, 43, 129, 307, 387, 921, 2203, 2763, 6609, 13201, 19827, 39603, 94729, 118809, 284187, 676321, 852561, 2028963, 6086889, 29081803, 87245409, 261736227]

約数ペア:

[(1, 261736227), (3, 87245409), (9, 29081803), (43, 6086889), (129, 2028963), (307, 852561), (387, 676321), (921, 284187), (2203, 118809), (2763, 94729), (6609, 39603), (13201, 19827)]