2603783

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:135

約数の個数: 24

約数和(自身を含む): 3373056

約数和(自身を除く): 769273

約数列:

[1, 7, 13, 31, 71, 91, 169, 217, 403, 497, 923, 1183, 2201, 2821, 5239, 6461, 11999, 15407, 28613, 36673, 83993, 200291, 371969, 2603783]

約数ペア:

[(1, 2603783), (7, 371969), (13, 200291), (31, 83993), (71, 36673), (91, 28613), (169, 15407), (217, 11999), (403, 6461), (497, 5239), (923, 2821), (1183, 2201)]