28019295

素因数分解:

$3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{2719}}^1$

素因数の和:2959

約数の個数: 24

約数和(自身を含む): 48796800

約数和(自身を除く): 20777505

約数列:

[1, 3, 5, 9, 15, 45, 229, 687, 1145, 2061, 2719, 3435, 8157, 10305, 13595, 24471, 40785, 122355, 622651, 1867953, 3113255, 5603859, 9339765, 28019295]

約数ペア:

[(1, 28019295), (3, 9339765), (5, 5603859), (9, 3113255), (15, 1867953), (45, 622651), (229, 122355), (687, 40785), (1145, 24471), (2061, 13595), (2719, 10305), (3435, 8157)]