28505637

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{733}}^1$

素因数の和:917

約数の個数: 24

約数和(自身を含む): 42939000

約数和(自身を除く): 14433363

約数列:

[1, 3, 9, 29, 87, 149, 261, 447, 733, 1341, 2199, 4321, 6597, 12963, 21257, 38889, 63771, 109217, 191313, 327651, 982953, 3167293, 9501879, 28505637]

約数ペア:

[(1, 28505637), (3, 9501879), (9, 3167293), (29, 982953), (87, 327651), (149, 191313), (261, 109217), (447, 63771), (733, 38889), (1341, 21257), (2199, 12963), (4321, 6597)]