1285806717

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{1221089}}^1$

素因数の和:1221114

約数の個数: 20

約数和(自身を含む): 2068526460

約数和(自身を除く): 782719743

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 1221089, 3663267, 10989801, 15874157, 32969403, 47622471, 98908209, 142867413, 428602239, 1285806717]

約数ペア:

[(1, 1285806717), (3, 428602239), (9, 142867413), (13, 98908209), (27, 47622471), (39, 32969403), (81, 15874157), (117, 10989801), (351, 3663267), (1053, 1221089)]