28871073

素因数分解:

$3^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1543}}^1$

素因数の和:1576

約数の個数: 48

約数和(自身を含む): 53953536

約数和(自身を除く): 25082463

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 243, 297, 567, 693, 891, 1543, 1701, 2079, 2673, 4629, 6237, 10801, 13887, 16973, 18711, 32403, 41661, 50919, 97209, 118811, 124983, 152757, 291627, 356433, 374949, 458271, 874881, 1069299, 1374813, 2624643, 3207897, 4124439, 9623691, 28871073]

約数ペア:

[(1, 28871073), (3, 9623691), (7, 4124439), (9, 3207897), (11, 2624643), (21, 1374813), (27, 1069299), (33, 874881), (63, 458271), (77, 374949), (81, 356433), (99, 291627), (189, 152757), (231, 124983), (243, 118811), (297, 97209), (567, 50919), (693, 41661), (891, 32403), (1543, 18711), (1701, 16973), (2079, 13887), (2673, 10801), (4629, 6237)]