28128057

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{14057}}^1$

素因数の和:14112

約数の個数: 16

約数和(自身を含む): 40487040

約数和(自身を除く): 12358983

約数列:

[1, 3, 23, 29, 69, 87, 667, 2001, 14057, 42171, 323311, 407653, 969933, 1222959, 9376019, 28128057]

約数ペア:

[(1, 28128057), (3, 9376019), (23, 1222959), (29, 969933), (69, 407653), (87, 323311), (667, 42171), (2001, 14057)]