28497891

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{1901}}^1$

素因数の和:2186

約数の個数: 16

約数和(自身を含む): 40170240

約数和(自身を除く): 11672349

約数列:

[1, 3, 19, 57, 263, 789, 1901, 4997, 5703, 14991, 36119, 108357, 499963, 1499889, 9499297, 28497891]

約数ペア:

[(1, 28497891), (3, 9499297), (19, 1499889), (57, 499963), (263, 108357), (789, 36119), (1901, 14991), (4997, 5703)]