28640073

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{123983}}^1$

素因数の和:124004

約数の個数: 16

約数和(自身を含む): 47609856

約数和(自身を除く): 18969783

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 123983, 371949, 867881, 1363813, 2603643, 4091439, 9546691, 28640073]

約数ペア:

[(1, 28640073), (3, 9546691), (7, 4091439), (11, 2603643), (21, 1363813), (33, 867881), (77, 371949), (231, 123983)]