28591719

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{17881}}^1$

素因数の和:17938

約数の個数: 16

約数和(自身を含む): 42058464

約数和(自身を除く): 13466745

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 17881, 53643, 232453, 697359, 733121, 2199363, 9530573, 28591719]

約数ペア:

[(1, 28591719), (3, 9530573), (13, 2199363), (39, 733121), (41, 697359), (123, 232453), (533, 53643), (1599, 17881)]