201890871

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{246509}}^1$

素因数の和:246535

約数の個数: 24

約数和(自身を含む): 358918560

約数和(自身を除く): 157027689

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 246509, 739527, 1725563, 2218581, 3204617, 5176689, 9613851, 15530067, 22432319, 28841553, 67296957, 201890871]

約数ペア:

[(1, 201890871), (3, 67296957), (7, 28841553), (9, 22432319), (13, 15530067), (21, 9613851), (39, 5176689), (63, 3204617), (91, 2218581), (117, 1725563), (273, 739527), (819, 246509)]