27728869

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1097}}^1$

素因数の和:1284

約数の個数: 16

約数和(自身を含む): 33308928

約数和(自身を除く): 5580059

約数列:

[1, 7, 23, 157, 161, 1097, 1099, 3611, 7679, 25231, 25277, 172229, 176617, 1205603, 3961267, 27728869]

約数ペア:

[(1, 27728869), (7, 3961267), (23, 1205603), (157, 176617), (161, 172229), (1097, 25277), (1099, 25231), (3611, 7679)]