201997509

素因数分解:

$3^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{21911}}^1$

素因数の和:22360

約数の個数: 16

約数和(自身を含む): 308520960

約数和(自身を除く): 106523451

約数列:

[1, 3, 7, 21, 439, 1317, 3073, 9219, 21911, 65733, 153377, 460131, 9618929, 28856787, 67332503, 201997509]

約数ペア:

[(1, 201997509), (3, 67332503), (7, 28856787), (21, 9618929), (439, 460131), (1317, 153377), (3073, 65733), (9219, 21911)]