19797453

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{2089}}^1$

素因数の和:2120

約数の個数: 28

約数和(自身を含む): 31981180

約数和(自身を除く): 12183727

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 2089, 3159, 6267, 9477, 18801, 27157, 56403, 81471, 169209, 244413, 507627, 733239, 1522881, 2199717, 6599151, 19797453]

約数ペア:

[(1, 19797453), (3, 6599151), (9, 2199717), (13, 1522881), (27, 733239), (39, 507627), (81, 244413), (117, 169209), (243, 81471), (351, 56403), (729, 27157), (1053, 18801), (2089, 9477), (3159, 6267)]