28479633

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{2129}}^1$

素因数の和:2166

約数の個数: 32

約数和(自身を含む): 47712000

約数和(自身を除く): 19232367

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 343, 637, 1029, 1911, 2129, 4459, 6387, 13377, 14903, 27677, 44709, 83031, 104321, 193739, 312963, 581217, 730247, 1356173, 2190741, 4068519, 9493211, 28479633]

約数ペア:

[(1, 28479633), (3, 9493211), (7, 4068519), (13, 2190741), (21, 1356173), (39, 730247), (49, 581217), (91, 312963), (147, 193739), (273, 104321), (343, 83031), (637, 44709), (1029, 27677), (1911, 14903), (2129, 13377), (4459, 6387)]