28875171

素因数分解:

$3^1\times {\mathrm{13}}^4\times {\mathrm{337}}^1$

素因数の和:392

約数の個数: 20

約数和(自身を含む): 41832232

約数和(自身を除く): 12957061

約数列:

[1, 3, 13, 39, 169, 337, 507, 1011, 2197, 4381, 6591, 13143, 28561, 56953, 85683, 170859, 740389, 2221167, 9625057, 28875171]

約数ペア:

[(1, 28875171), (3, 9625057), (13, 2221167), (39, 740389), (169, 170859), (337, 85683), (507, 56953), (1011, 28561), (2197, 13143), (4381, 6591)]