12991269

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{3863}}^1$

素因数の和:3944

約数の個数: 16

約数和(自身を含む): 18547200

約数和(自身を除く): 5555931

約数列:

[1, 3, 19, 57, 59, 177, 1121, 3363, 3863, 11589, 73397, 220191, 227917, 683751, 4330423, 12991269]

約数ペア:

[(1, 12991269), (3, 4330423), (19, 683751), (57, 227917), (59, 220191), (177, 73397), (1121, 11589), (3363, 3863)]