28109211

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{42397}}^1$

素因数の和:42430

約数の個数: 16

約数和(自身を含む): 42737184

約数和(自身を除く): 14627973

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 42397, 127191, 551161, 720749, 1653483, 2162247, 9369737, 28109211]

約数ペア:

[(1, 28109211), (3, 9369737), (13, 2162247), (17, 1653483), (39, 720749), (51, 551161), (221, 127191), (663, 42397)]