28910187

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{431}}^1$

素因数の和:723

約数の個数: 24

約数和(自身を含む): 43467840

約数和(自身を除く): 14557653

約数列:

[1, 3, 9, 29, 87, 257, 261, 431, 771, 1293, 2313, 3879, 7453, 12499, 22359, 37497, 67077, 110767, 112491, 332301, 996903, 3212243, 9636729, 28910187]

約数ペア:

[(1, 28910187), (3, 9636729), (9, 3212243), (29, 996903), (87, 332301), (257, 112491), (261, 110767), (431, 67077), (771, 37497), (1293, 22359), (2313, 12499), (3879, 7453)]