28921321

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{769}}^1$

素因数の和:1056

約数の個数: 16

約数和(自身を含む): 34151040

約数和(自身を除く): 5229719

約数列:

[1, 11, 13, 143, 263, 769, 2893, 3419, 8459, 9997, 37609, 109967, 202247, 2224717, 2629211, 28921321]

約数ペア:

[(1, 28921321), (11, 2629211), (13, 2224717), (143, 202247), (263, 109967), (769, 37609), (2893, 9997), (3419, 8459)]