28638843

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{811}}^1$

素因数の和:1042

約数の個数: 16

約数和(自身を含む): 38976000

約数和(自身を除く): 10337157

約数列:

[1, 3, 79, 149, 237, 447, 811, 2433, 11771, 35313, 64069, 120839, 192207, 362517, 9546281, 28638843]

約数ペア:

[(1, 28638843), (3, 9546281), (79, 362517), (149, 192207), (237, 120839), (447, 64069), (811, 35313), (2433, 11771)]