31175199

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 20716641

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 107, 109, 243, 297, 321, 327, 891, 963, 981, 1177, 1199, 2673, 2889, 2943, 3531, 3597, 8667, 8829, 10593, 10791, 11663, 26001, 26487, 31779, 32373, 34989, 95337, 97119, 104967, 128293, 286011, 291357, 314901, 384879, 944703, 1154637, 2834109, 3463911, 10391733, 31175199]

約数ペア:

[(1, 31175199), (3, 10391733), (9, 3463911), (11, 2834109), (27, 1154637), (33, 944703), (81, 384879), (99, 314901), (107, 291357), (109, 286011), (243, 128293), (297, 104967), (321, 97119), (327, 95337), (891, 34989), (963, 32373), (981, 31779), (1177, 26487), (1199, 26001), (2673, 11663), (2889, 10791), (2943, 10593), (3531, 8829), (3597, 8667)]