28166853

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{65657}}^1$

素因数の和:65684

約数の個数: 16

約数和(自身を含む): 44122176

約数和(自身を除く): 15955323

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 65657, 196971, 722227, 853541, 2166681, 2560623, 9388951, 28166853]

約数ペア:

[(1, 28166853), (3, 9388951), (11, 2560623), (13, 2166681), (33, 853541), (39, 722227), (143, 196971), (429, 65657)]