12640377

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{1051}}^1$

素因数の和:1284

約数の個数: 16

約数和(自身を含む): 17841920

約数和(自身を除く): 5201543

約数列:

[1, 3, 19, 57, 211, 633, 1051, 3153, 4009, 12027, 19969, 59907, 221761, 665283, 4213459, 12640377]

約数ペア:

[(1, 12640377), (3, 4213459), (19, 665283), (57, 221761), (211, 59907), (633, 19969), (1051, 12027), (3153, 4009)]