210819219

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 322548480

約数和(自身を除く): 111729261

約数列:

[1, 3, 13, 23, 39, 69, 101, 169, 179, 299, 303, 507, 537, 897, 1313, 2323, 2327, 3887, 3939, 4117, 6969, 6981, 11661, 12351, 17069, 18079, 30199, 30251, 51207, 53521, 54237, 90597, 90753, 160563, 235027, 392587, 415817, 695773, 705081, 1177761, 1247451, 2087319, 3055351, 5405621, 9166053, 16216863, 70273073, 210819219]

約数ペア:

[(1, 210819219), (3, 70273073), (13, 16216863), (23, 9166053), (39, 5405621), (69, 3055351), (101, 2087319), (169, 1247451), (179, 1177761), (299, 705081), (303, 695773), (507, 415817), (537, 392587), (897, 235027), (1313, 160563), (2323, 90753), (2327, 90597), (3887, 54237), (3939, 53521), (4117, 51207), (6969, 30251), (6981, 30199), (11661, 18079), (12351, 17069)]