12388887

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6781}}^1$

素因数の和:6823

約数の個数: 24

約数和(自身を含む): 21159840

約数和(自身を除く): 8770953

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 6781, 20343, 47467, 61029, 142401, 196649, 427203, 589947, 1376543, 1769841, 4129629, 12388887]

約数ペア:

[(1, 12388887), (3, 4129629), (7, 1769841), (9, 1376543), (21, 589947), (29, 427203), (63, 196649), (87, 142401), (203, 61029), (261, 47467), (609, 20343), (1827, 6781)]