28788243

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 43794432

約数和(自身を除く): 15006189

約数列:

[1, 3, 11, 31, 33, 93, 107, 263, 321, 341, 789, 1023, 1177, 2893, 3317, 3531, 8153, 8679, 9951, 24459, 28141, 36487, 84423, 89683, 109461, 269049, 309551, 872371, 928653, 2617113, 9596081, 28788243]

約数ペア:

[(1, 28788243), (3, 9596081), (11, 2617113), (31, 928653), (33, 872371), (93, 309551), (107, 269049), (263, 109461), (321, 89683), (341, 84423), (789, 36487), (1023, 28141), (1177, 24459), (2893, 9951), (3317, 8679), (3531, 8153)]