291286989

素因数分解:

$3^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{23003}}^1$

素因数の和:23086

約数の個数: 32

約数和(自身を含む): 500567040

約数和(自身を除く): 209280051

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 189, 201, 469, 603, 1407, 1809, 4221, 12663, 23003, 69009, 161021, 207027, 483063, 621081, 1449189, 1541201, 4347567, 4623603, 10788407, 13870809, 32365221, 41612427, 97095663, 291286989]

約数ペア:

[(1, 291286989), (3, 97095663), (7, 41612427), (9, 32365221), (21, 13870809), (27, 10788407), (63, 4623603), (67, 4347567), (189, 1541201), (201, 1449189), (469, 621081), (603, 483063), (1407, 207027), (1809, 161021), (4221, 69009), (12663, 23003)]