28386111

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{443}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 42964992

約数和(自身を除く): 14578881

約数列:

[1, 3, 13, 31, 39, 53, 93, 159, 403, 443, 689, 1209, 1329, 1643, 2067, 4929, 5759, 13733, 17277, 21359, 23479, 41199, 64077, 70437, 178529, 305227, 535587, 727849, 915681, 2183547, 9462037, 28386111]

約数ペア:

[(1, 28386111), (3, 9462037), (13, 2183547), (31, 915681), (39, 727849), (53, 535587), (93, 305227), (159, 178529), (403, 70437), (443, 64077), (689, 41199), (1209, 23479), (1329, 21359), (1643, 17277), (2067, 13733), (4929, 5759)]