28085109

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{19463}}^1$

素因数の和:19516

約数の個数: 16

約数和(自身を含む): 41419392

約数和(自身を除く): 13334283

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 19463, 58389, 253019, 720131, 759057, 2160393, 9361703, 28085109]

約数ペア:

[(1, 28085109), (3, 9361703), (13, 2160393), (37, 759057), (39, 720131), (111, 253019), (481, 58389), (1443, 19463)]