261566757

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{463}}^1\times {\mathrm{1531}}^1$

素因数の和:2041

約数の個数: 24

約数和(自身を含む): 388123008

約数和(自身を除く): 126556251

約数列:

[1, 3, 9, 41, 123, 369, 463, 1389, 1531, 4167, 4593, 13779, 18983, 56949, 62771, 170847, 188313, 564939, 708853, 2126559, 6379677, 29062973, 87188919, 261566757]

約数ペア:

[(1, 261566757), (3, 87188919), (9, 29062973), (41, 6379677), (123, 2126559), (369, 708853), (463, 564939), (1389, 188313), (1531, 170847), (4167, 62771), (4593, 56949), (13779, 18983)]