28966959

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{19991}}^1$

素因数の和:20027

約数の個数: 24

約数和(自身を含む): 49900032

約数和(自身を除く): 20933073

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 19991, 59973, 139937, 179919, 419811, 459793, 1259433, 1379379, 3218551, 4138137, 9655653, 28966959]

約数ペア:

[(1, 28966959), (3, 9655653), (7, 4138137), (9, 3218551), (21, 1379379), (23, 1259433), (63, 459793), (69, 419811), (161, 179919), (207, 139937), (483, 59973), (1449, 19991)]