867476421

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{108421}}^1$

素因数の和:108561

約数の個数: 24

約数和(自身を含む): 1443313664

約数和(自身を除く): 575837243

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 2667, 8001, 108421, 325263, 758947, 975789, 2276841, 6830523, 13769467, 41308401, 96386269, 123925203, 289158807, 867476421]

約数ペア:

[(1, 867476421), (3, 289158807), (7, 123925203), (9, 96386269), (21, 41308401), (63, 13769467), (127, 6830523), (381, 2276841), (889, 975789), (1143, 758947), (2667, 325263), (8001, 108421)]