28419729

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{3049}}^1$

素因数の和:3304

約数の個数: 16

約数和(自身を含む): 40992000

約数和(自身を除く): 12572271

約数列:

[1, 3, 13, 39, 239, 717, 3049, 3107, 9147, 9321, 39637, 118911, 728711, 2186133, 9473243, 28419729]

約数ペア:

[(1, 28419729), (3, 9473243), (13, 2186133), (39, 728711), (239, 118911), (717, 39637), (3049, 9321), (3107, 9147)]