28957989

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:377

約数の個数: 24

約数和(自身を含む): 41090112

約数和(自身を除く): 12132123

約数列:

[1, 3, 23, 69, 71, 213, 257, 529, 771, 1587, 1633, 4899, 5911, 17733, 18247, 37559, 54741, 112677, 135953, 407859, 419681, 1259043, 9652663, 28957989]

約数ペア:

[(1, 28957989), (3, 9652663), (23, 1259043), (69, 419681), (71, 407859), (213, 135953), (257, 112677), (529, 54741), (771, 37559), (1587, 18247), (1633, 17733), (4899, 5911)]