261799227

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{4519}}^1$

素因数の和:4723

約数の個数: 24

約数和(自身を含む): 389931360

約数和(自身を除く): 128132133

約数列:

[1, 3, 9, 41, 123, 157, 369, 471, 1413, 4519, 6437, 13557, 19311, 40671, 57933, 185279, 555837, 709483, 1667511, 2128449, 6385347, 29088803, 87266409, 261799227]

約数ペア:

[(1, 261799227), (3, 87266409), (9, 29088803), (41, 6385347), (123, 2128449), (157, 1667511), (369, 709483), (471, 555837), (1413, 185279), (4519, 57933), (6437, 40671), (13557, 19311)]