28080351

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{2963}}^1$

素因数の和:2994

約数の個数: 28

約数和(自身を含む): 45355128

約数和(自身を除く): 17274777

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 2963, 3159, 8889, 9477, 26667, 38519, 80001, 115557, 240003, 346671, 720009, 1040013, 2160027, 3120039, 9360117, 28080351]

約数ペア:

[(1, 28080351), (3, 9360117), (9, 3120039), (13, 2160027), (27, 1040013), (39, 720009), (81, 346671), (117, 240003), (243, 115557), (351, 80001), (729, 38519), (1053, 26667), (2963, 9477), (3159, 8889)]