205139181

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2741}}^1$

素因数の和:2877

約数の個数: 32

約数和(自身を含む): 313246080

約数和(自身を除く): 108106899

約数列:

[1, 3, 13, 19, 39, 57, 101, 247, 303, 741, 1313, 1919, 2741, 3939, 5757, 8223, 24947, 35633, 52079, 74841, 106899, 156237, 276841, 677027, 830523, 2031081, 3598933, 5259979, 10796799, 15779937, 68379727, 205139181]

約数ペア:

[(1, 205139181), (3, 68379727), (13, 15779937), (19, 10796799), (39, 5259979), (57, 3598933), (101, 2031081), (247, 830523), (303, 677027), (741, 276841), (1313, 156237), (1919, 106899), (2741, 74841), (3939, 52079), (5757, 35633), (8223, 24947)]