12820989

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{1151}}^1$

素因数の和:1280

約数の個数: 16

約数和(自身を含む): 17694720

約数和(自身を除く): 4873731

約数列:

[1, 3, 47, 79, 141, 237, 1151, 3453, 3713, 11139, 54097, 90929, 162291, 272787, 4273663, 12820989]

約数ペア:

[(1, 12820989), (3, 4273663), (47, 272787), (79, 162291), (141, 90929), (237, 54097), (1151, 11139), (3453, 3713)]