28929021

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12347}}^1$

素因数の和:12432

約数の個数: 16

約数和(自身を含む): 42674688

約数和(自身を除く): 13745667

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 12347, 37041, 135817, 407451, 876637, 2629911, 9643007, 28929021]

約数ペア:

[(1, 28929021), (3, 9643007), (11, 2629911), (33, 876637), (71, 407451), (213, 135817), (781, 37041), (2343, 12347)]