291357

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{109}}^1$

素因数の和:135

約数の個数: 24

約数和(自身を含む): 480480

約数和(自身を除く): 189123

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 109, 243, 297, 327, 891, 981, 1199, 2673, 2943, 3597, 8829, 10791, 26487, 32373, 97119, 291357]

約数ペア:

[(1, 291357), (3, 97119), (9, 32373), (11, 26487), (27, 10791), (33, 8829), (81, 3597), (99, 2943), (109, 2673), (243, 1199), (297, 981), (327, 891)]