27781047

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7229}}^1$

素因数の和:7303

約数の個数: 24

約数和(自身を含む): 46619040

約数和(自身を除く): 18837993

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 7229, 21687, 50603, 65061, 151809, 440969, 455427, 1322907, 3086783, 3968721, 9260349, 27781047]

約数ペア:

[(1, 27781047), (3, 9260349), (7, 3968721), (9, 3086783), (21, 1322907), (61, 455427), (63, 440969), (183, 151809), (427, 65061), (549, 50603), (1281, 21687), (3843, 7229)]