28677681

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{44879}}^1$

素因数の和:44956

約数の個数: 12

約数和(自身を含む): 42007680

約数和(自身を除く): 13329999

約数列:

[1, 3, 9, 71, 213, 639, 44879, 134637, 403911, 3186409, 9559227, 28677681]

約数ペア:

[(1, 28677681), (3, 9559227), (9, 3186409), (71, 403911), (213, 134637), (639, 44879)]