28488873

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{13171}}^1$

素因数の和:13284

約数の個数: 16

約数和(自身を含む): 43836416

約数和(自身を除く): 15347543

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 13171, 39513, 92197, 276591, 1356613, 4069839, 9496291, 28488873]

約数ペア:

[(1, 28488873), (3, 9496291), (7, 4069839), (21, 1356613), (103, 276591), (309, 92197), (721, 39513), (2163, 13171)]