28282221

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{9851}}^1$

素因数の和:9897

約数の個数: 24

約数和(自身を含む): 46107360

約数和(自身を除く): 17825139

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 261, 319, 957, 2871, 9851, 29553, 88659, 108361, 285679, 325083, 857037, 975249, 2571111, 3142469, 9427407, 28282221]

約数ペア:

[(1, 28282221), (3, 9427407), (9, 3142469), (11, 2571111), (29, 975249), (33, 857037), (87, 325083), (99, 285679), (261, 108361), (319, 88659), (957, 29553), (2871, 9851)]