28744551

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{32261}}^1$

素因数の和:32284

約数の個数: 20

約数和(自身を含む): 46844424

約数和(自身を除く): 18099873

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 32261, 96783, 290349, 354871, 871047, 1064613, 2613141, 3193839, 9581517, 28744551]

約数ペア:

[(1, 28744551), (3, 9581517), (9, 3193839), (11, 2613141), (27, 1064613), (33, 871047), (81, 354871), (99, 290349), (297, 96783), (891, 32261)]