1997486283

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{337}}^1\times {\mathrm{421}}^1$

素因数の和:812

約数の個数: 48

約数和(自身を含む): 3043281696

約数和(自身を除く): 1045795413

約数列:

[1, 3, 13, 19, 39, 57, 247, 337, 361, 421, 741, 1011, 1083, 1263, 4381, 4693, 5473, 6403, 7999, 13143, 14079, 16419, 19209, 23997, 83239, 103987, 121657, 141877, 151981, 249717, 311961, 364971, 425631, 455943, 1581541, 1844401, 1975753, 2695663, 4744623, 5533203, 5927259, 8086989, 35043619, 51217597, 105130857, 153652791, 665828761, 1997486283]

約数ペア:

[(1, 1997486283), (3, 665828761), (13, 153652791), (19, 105130857), (39, 51217597), (57, 35043619), (247, 8086989), (337, 5927259), (361, 5533203), (421, 4744623), (741, 2695663), (1011, 1975753), (1083, 1844401), (1263, 1581541), (4381, 455943), (4693, 425631), (5473, 364971), (6403, 311961), (7999, 249717), (13143, 151981), (14079, 141877), (16419, 121657), (19209, 103987), (23997, 83239)]