12891087

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2207}}^1$

素因数の和:2283

約数の個数: 24

約数和(自身を含む): 20666880

約数和(自身を除く): 7775793

約数列:

[1, 3, 9, 11, 33, 59, 99, 177, 531, 649, 1947, 2207, 5841, 6621, 19863, 24277, 72831, 130213, 218493, 390639, 1171917, 1432343, 4297029, 12891087]

約数ペア:

[(1, 12891087), (3, 4297029), (9, 1432343), (11, 1171917), (33, 390639), (59, 218493), (99, 130213), (177, 72831), (531, 24277), (649, 19863), (1947, 6621), (2207, 5841)]