13220181

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{313}}^1$

素因数の和:370

約数の個数: 36

約数和(自身を含む): 21773388

約数和(自身を除く): 8553207

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 313, 361, 741, 939, 1083, 2223, 2817, 3249, 4069, 4693, 5947, 12207, 14079, 17841, 36621, 42237, 53523, 77311, 112993, 231933, 338979, 695799, 1016937, 1468909, 4406727, 13220181]

約数ペア:

[(1, 13220181), (3, 4406727), (9, 1468909), (13, 1016937), (19, 695799), (39, 338979), (57, 231933), (117, 112993), (171, 77311), (247, 53523), (313, 42237), (361, 36621), (741, 17841), (939, 14079), (1083, 12207), (2223, 5947), (2817, 4693), (3249, 4069)]