28994643

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{87071}}^1$

素因数の和:87114

約数の個数: 12

約数和(自身を含む): 43013568

約数和(自身を除く): 14018925

約数列:

[1, 3, 9, 37, 111, 333, 87071, 261213, 783639, 3221627, 9664881, 28994643]

約数ペア:

[(1, 28994643), (3, 9664881), (9, 3221627), (37, 783639), (111, 261213), (333, 87071)]