28417959

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{4441}}^1$

素因数の和:4532

約数の個数: 20

約数和(自身を含む): 42998560

約数和(自身を除く): 14580601

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 4441, 6399, 13323, 39969, 119907, 350839, 359721, 1052517, 3157551, 9472653, 28417959]

約数ペア:

[(1, 28417959), (3, 9472653), (9, 3157551), (27, 1052517), (79, 359721), (81, 350839), (237, 119907), (711, 39969), (2133, 13323), (4441, 6399)]