31719519

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{3347}}^1$

素因数の和:3378

約数の個数: 28

約数和(自身を含む): 51231096

約数和(自身を除く): 19511577

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 3159, 3347, 9477, 10041, 30123, 43511, 90369, 130533, 271107, 391599, 813321, 1174797, 2439963, 3524391, 10573173, 31719519]

約数ペア:

[(1, 31719519), (3, 10573173), (9, 3524391), (13, 2439963), (27, 1174797), (39, 813321), (81, 391599), (117, 271107), (243, 130533), (351, 90369), (729, 43511), (1053, 30123), (3159, 10041), (3347, 9477)]