28745193

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{1621}}^1$

素因数の和:1904

約数の個数: 16

約数和(自身を含む): 40173696

約数和(自身を除く): 11428503

約数列:

[1, 3, 23, 69, 257, 771, 1621, 4863, 5911, 17733, 37283, 111849, 416597, 1249791, 9581731, 28745193]

約数ペア:

[(1, 28745193), (3, 9581731), (23, 1249791), (69, 416597), (257, 111849), (771, 37283), (1621, 17733), (4863, 5911)]