28778409

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{32299}}^1$

素因数の和:32322

約数の個数: 20

約数和(自身を含む): 46899600

約数和(自身を除く): 18121191

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 32299, 96897, 290691, 355289, 872073, 1065867, 2616219, 3197601, 9592803, 28778409]

約数ペア:

[(1, 28778409), (3, 9592803), (9, 3197601), (11, 2616219), (27, 1065867), (33, 872073), (81, 355289), (99, 290691), (297, 96897), (891, 32299)]