28569051

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2129}}^1$

素因数の和:2216

約数の個数: 32

約数和(自身を含む): 49075200

約数和(自身を除く): 20506149

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1491, 1917, 2129, 4473, 6387, 13419, 14903, 19161, 44709, 57483, 134127, 151159, 402381, 453477, 1058113, 1360431, 3174339, 4081293, 9523017, 28569051]

約数ペア:

[(1, 28569051), (3, 9523017), (7, 4081293), (9, 3174339), (21, 1360431), (27, 1058113), (63, 453477), (71, 402381), (189, 151159), (213, 134127), (497, 57483), (639, 44709), (1491, 19161), (1917, 14903), (2129, 13419), (4473, 6387)]