51640173

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{5449}}^1$

素因数の和:5480

約数の個数: 28

約数和(自身を含む): 83395900

約数和(自身を除く): 31755727

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 3159, 5449, 9477, 16347, 49041, 70837, 147123, 212511, 441369, 637533, 1324107, 1912599, 3972321, 5737797, 17213391, 51640173]

約数ペア:

[(1, 51640173), (3, 17213391), (9, 5737797), (13, 3972321), (27, 1912599), (39, 1324107), (81, 637533), (117, 441369), (243, 212511), (351, 147123), (729, 70837), (1053, 49041), (3159, 16347), (5449, 9477)]