12216663

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{3209}}^1$

素因数の和:3268

約数の個数: 20

約数和(自身を含む): 18643680

約数和(自身を除く): 6427017

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3209, 3807, 9627, 28881, 86643, 150823, 259929, 452469, 1357407, 4072221, 12216663]

約数ペア:

[(1, 12216663), (3, 4072221), (9, 1357407), (27, 452469), (47, 259929), (81, 150823), (141, 86643), (423, 28881), (1269, 9627), (3209, 3807)]