28894281

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{7193}}^1$

素因数の和:7312

約数の個数: 16

約数和(自身を含む): 41897856

約数和(自身を除く): 13003575

約数列:

[1, 3, 13, 39, 103, 309, 1339, 4017, 7193, 21579, 93509, 280527, 740879, 2222637, 9631427, 28894281]

約数ペア:

[(1, 28894281), (3, 9631427), (13, 2222637), (39, 740879), (103, 280527), (309, 93509), (1339, 21579), (4017, 7193)]