42581259

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21803}}^1$

素因数の和:21847

約数の個数: 24

約数和(自身を含む): 72563712

約数和(自身を除く): 29982453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 21803, 65409, 152621, 196227, 457863, 675893, 1373589, 2027679, 4731251, 6083037, 14193753, 42581259]

約数ペア:

[(1, 42581259), (3, 14193753), (7, 6083037), (9, 4731251), (21, 2027679), (31, 1373589), (63, 675893), (93, 457863), (217, 196227), (279, 152621), (651, 65409), (1953, 21803)]